# How To Add Or Subtract Fractions

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This article was co-authored by David Jia and author Jessica Gibson. David Jia is an educator and founder of LA Math Tutoring, a private tutoring company based in Los Angeles, California. With over 10 years of teaching experience, David works with students of all ages and grade levels in a variety of subjects, as well as advising on college admissions and preparing for the SAT, ACT, ISEE and more. After achieving a perfect math score of 800 on the SAT and an English score of 690, David received a Dickinson Scholarship from the University of Miami where he earned a BA in Business Administration. Additionally, David has worked as an online video instructor for textbook companies such as Larson Texts, Big Idea Learning, and Big Idea Math.

## How To Add Or Subtract Fractions

Subtracting fractions can seem a little confusing at first, but after some basic multiplication and division, you’ll be ready for some simple subtraction. If the fraction is correct, make sure the denominator is the same before subtracting the numerator. If the fractions are messy and you have whole numbers, convert them to improper fractions. You also need to make sure the denominators are the same before subtracting the numerators.

## Awesome Activities For Adding And Subtracting Fractions With Like Denominators

To subtract fractions, first make sure the denominators are equal. If not, find the least common multiple of the two denominators. Then multiply each denominator so that it is equal to the least common multiple. Then multiply the numerator by the same number you multiplied the denominator by. Finally, subtract the numerator and leave the denominator as the lowest common multiple. To learn how to subtract mixed numbers, scroll down! This week we started one of the most stressful topics. We will be adding and subtracting fractions. We came back from winter break and these kids looked like they were going to cry when I said we were fighting fractions. The truth is – if you know your multiplication facts, you’ll be fine! Hope that gives you some ideas

Often, the fractions are completely next to each other. Instead of lying next to each other, place fractions on top of each other. I teach my students how to “blackboard”. This is the first thing I tell them. Yes – they have to rewrite fractions, but let me tell you… when they draw correctly, they change the game. The image below shows how I set up the array.

### Subtracting Whole Number With Fraction Worksheet

I start by showing the fractions on top of each other. I don’t let them adjust it or change the order, because when they have to subtract they will get negative numbers. Then we put the multiplication sign, the fraction bar, the equal sign and then the last fraction bar. Usually I like to put a line under the last pieces so I can keep track of what I’ve added or subtracted.

Let them use the multiplication table. I know… it sounds so simple. It probably is. I know many teachers hate having their kids use multiplication tables … however, are you testing your multiplication skills or your ability to add and subtract fractions? Of course, the unit will be adding and subtracting fractions, so it will be easier for you and the student if you let them use the multiplication table. Just remember to ask yourself – what strategies are you teaching / using?

When you need to add or subtract fractions – keep it clean! Seriously. If students are not neat writers, ask them to use lined paper. I have kids who can write a number in 4 lines. They are very confused. I got a revised paper for them. I made sure that the students had papers according to their needs. I gave one of my students ten blank “boards” of paper (see tip 1). Another student was only allowed to use lined paper. Another student was using grid paper. Watch your students write and make a simple change for them.

## Ways To Add And Subtract Fractions

If you’re looking for an amazing Google Classroom class that fits fractions – check out my store here! We use cookies to do better. By using our website, you consent to our cookie policy. Cookie settings

This article was co-authored by David Jia. David Jia is an educator and founder of LA Math Tutoring, a private tutoring company based in Los Angeles, California. With over 10 years of teaching experience, David works with students of all ages and grade levels in a variety of subjects, as well as advising on college admissions and preparing for the SAT, ACT, ISEE and more. After achieving a perfect math score of 800 on the SAT and an English score of 690, David received a Dickinson Scholarship from the University of Miami where he earned a BA in Business Administration. Additionally, David has worked as an online video instructor for textbook companies such as Larson Texts, Big Idea Learning, and Big Idea Math.

This article provides 10 references which can be found at the bottom of the page.

### Addition And Subtraction Of Similar Fractions

Adding and subtracting fractions is a basic skill. From elementary school to college, fractions appear all the time in everyday life, especially in math lessons. Follow these steps to learn how to add and subtract fractions, whether they’re like fractions, mixed fractions, or opposites of improper fractions. Once you know one way, the rest is pretty easy!

To add and subtract fractions with the same denominator or base, place 2 fractions next to each other. Add or subtract digits or higher numbers and write the result in a new fraction at the top. The lower number of responses will be the same as the denominator of the original fractions. To learn how to add and subtract fractions with different denominators, read on! Now that we’re done with geometry, we turn to fractions. Oh, fractions! Children come with preconceived notions that groups are big and bad, scary, harsh and mean. I think it’s my job to prove them wrong. I’m posting a bit inappropriately but want to post our fraction addition and subtraction anchor chart and collapsible.

## Subtracting Fractions With Same Denominator Interactive Worksheet

The kids copied a fantastic freebie from 4mulaFun, the anchor chart for their awesome addition and subtraction of compound fractions. Click the link to follow her on Pinterest. He is a great pinner to follow.

Soon I will be adding our anchor charts and note pages for all of our fraction concepts. Meanwhile, if you’re looking for faction resources, they’re in my TpT store. My favorite right now? All the fractions task cards you could ever want (256 cards to be exact), all in one package.

#### Free Printable Adding And Subtracting Fractions Worksheets

Another amazing resource I use when teaching fractions is fun and awesome fraction stories. Their kids can’t get enough of these stories and they are perfect homework because they provide an overview of the concepts we cover throughout the day!

*Note: I get nothing for mentioning Funny and Awesome Fraction Stories and am not paid to mention it. This is a book I have had for years and love it!

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