Fractions Review #1

Front

How do you multiply fractions?

Back

Multiply straight across: multiply the numerators together and the denominators together.

Front

How do you divide fractions?

Back

Use KCF (Keep, Change, Flip): Keep the first fraction, change the division to multiplication, and flip the second fraction.

Front

Back

Front

Which fraction operation(s) are you allowed to cross-cancel?

Back

You can cross-cancel when multiplying fractions.

Front

Back

Front

What is a fraction?

Back

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be a common denominator for two or more fractions.

Front

How do you add fractions with different denominators?

Back

Find the least common denominator (LCD), convert the fractions, and then add the numerators.

Front

What is cross-multiplication?

Back

Cross-multiplication is a method used to compare two fractions by multiplying the numerator of one fraction by the denominator of the other.

Front

What is a mixed number?

Back