Adding and Multiplying Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as two numbers separated by a slash, like 1/2.

Front

What is the numerator in a fraction?

Back

The numerator is the top number in a fraction that indicates how many parts we have.

Front

What is the denominator in a fraction?

Back

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

Front

How do you add fractions with the same denominator?

Back

Add the numerators together and keep the denominator the same. For example, 1/4 + 2/4 = 3/4.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators. For example, 1/2 + 1/3 = 3/6 + 2/6 = 5/6.

Front

What does it mean for fractions to be equivalent?

Back

Equivalent fractions are different fractions that represent the same value, like 1/2 and 2/4.

Front

How do you multiply fractions?

Back

Multiply the numerators together and the denominators together. For example, 1/2 * 3/4 = 3/8.

Front

What is 3/4 - 1/4?

Back

3/4 - 1/4 = 2/4, which simplifies to 1/2.

Front

What is 1/2 + 1/4?

Back

1/2 + 1/4 = 2/4 + 1/4 = 3/4.

Front

What is 2/3 of 12?

Back

2/3 of 12 is 8, because 12 * 2/3 = 8.