Main content

## 4th grade

# Add and subtract fractions: FAQ

Frequently asked questions about adding and subtracting fractions.

## What does it mean to decompose a fraction?

When we decompose a fraction, we break it down into smaller parts. This can help us understand the fraction better or make it easier to work with.

Try it yourself with these exercises:

## What are mixed numbers and improper fractions?

A mixed number is a combination of a whole number and a fraction. For example, 2, start fraction, 1, divided by, 2, end fraction. An improper fraction is a fraction where the numerator is larger than the denominator. For example, start fraction, 5, divided by, 2, end fraction.

Try it yourself with this exercise:

## How do we add and subtract fractions with common denominators?

When we add fractions with common denominators, we keep the denominator the same and add the numerators together. For example, start fraction, 1, divided by, 4, end fraction, plus, start fraction, 2, divided by, 4, end fraction, equals, start fraction, 3, divided by, 4, end fraction.

When we subtract fractions with common denominators, we keep the denominator the same and subtract the numerators. For example, start fraction, 3, divided by, 4, end fraction, minus, start fraction, 2, divided by, 4, end fraction, equals, start fraction, 1, divided by, 4, end fraction.

Try it yourself with these exercises:

## What are equivalent fractions?

Equivalent fractions are two or more fractions that have the same value. For example, start fraction, 1, divided by, 2, end fraction, start fraction, 2, divided by, 4, end fraction, and start fraction, 4, divided by, 8, end fraction are all equivalent fractions.

Try it yourself with these exercises:

## What is a line plot?

A line plot is a graph that shows how many times each data point occurs. It's a good way to organize and analyze data.

Try it yourself with these exercises:

## Want to join the conversation?

- i like realy dont understad ☹ but im gona keep redoing it ontill i understand :[(38 votes)
- it is not complicated, you just don't know how to do it(18 votes)
- yes its easy if you try again(5 votes)

- this is soo hard pls help:((16 votes)
- i can help you goku style(4 votes)

- upvote for free v bucks(12 votes)
- i like khan academy but it be hard(8 votes)
- Is Khan the best place to learn about math?(7 votes)
- Hi? What is your name?(7 votes)
- back in my day we didn't do this me don't like so i'm normal right.......right?...(7 votes)
- Back in my day it was unit 7(5 votes)
- ur olllllddddd(4 votes)