Multiplying and Dividing Fractions

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).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together. For example, (a/b) * (c/d) = (a*c)/(b*d).

Tags

CCSS.5.NF.B.6

Front

What is the product of 1/3 and 1/4?

Back

1/3 * 1/4 = 1/12.

Tags

CCSS.5.NF.B.6

Front

What is a reciprocal?

Back

A reciprocal of a fraction is obtained by flipping the numerator and denominator. For example, the reciprocal of 2/3 is 3/2.

Front

What is the reciprocal of 4/5?

Back

The reciprocal of 4/5 is 5/4.

Front

How do you divide fractions?

Back

To divide fractions, multiply by the reciprocal of the second fraction. For example, (a/b) ÷ (c/d) = (a/b) * (d/c).

Tags

CCSS.6.NS.A.1

Front

What is the result of 2/7 ÷ 1/3?

Back

2/7 ÷ 1/3 = 2/7 * 3/1 = 6/7.

Tags

CCSS.6.NS.A.1

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

Simplify the fraction 16/30.

Back

16/30 simplifies to 8/15.

Front

What is the product of 2/14 and 1/7?

Back

2/14 * 1/7 = 2/98 = 1/49.

Tags

CCSS.5.NF.B.6