Add and Subtract Fractions-Module 3, Lessons 1-4

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

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What is the numerator in a fraction?

Back

The numerator is the top number in a fraction that indicates how many parts of the whole are being considered.

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates the total number of equal parts the whole is divided into.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert the fractions, and then add the numerators.

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Back

Find a common denominator, which is 21 in this case.

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Back

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Front

What is the process to subtract fractions?

Back

To subtract fractions, find a common denominator, convert the fractions, and then subtract the numerators.