# How do you evaluate #1/2 + 5/8#?

##### 2 Answers

You need to make both fractions have the same denominator first.

#### Explanation:

In this case, the common denominator would be 8.

You can then choose to present it as a mixed fraction, which would be

In support of solution by Denise Granger

#### Explanation:

This is a generic tutorial about part of the concept/processing of fractions and numbers in general. Some which you have heard before. Some of which likely not!

A fraction has 2 parts. The top number and the bottom number.

I think this as

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## You can not directly add, subtract or divide unless the unit size of what you are dealing with is the same.

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Think of 1+2 = 3. You are directly adding the count. This is because their unit size is the same. It takes 1 of what you are counting to make a whole of something. So technically you could write

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Think of

The

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Think of