Multiplying 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

What does it mean to multiply fractions?

Back

Multiplying fractions involves multiplying the numerators together and the denominators together to find the product.

Tags

CCSS.5.NF.B.6

Front

How do you multiply 2/3 by 6/7?

Back

2/3 x 6/7 = (2*6)/(3*7) = 12/21, which simplifies to 4/7.

Tags

CCSS.5.NF.B.6

Front

What is cross canceling in fraction multiplication?

Back

Cross canceling is a method where you simplify fractions before multiplying by dividing the numerator of one fraction by the denominator of the other.

Tags

CCSS.5.NF.B.6

Front

Solve 4/5 x 5/9 using cross canceling.

Back

4/5 x 5/9 = (4*1)/(1*9) = 4/9.

Tags

CCSS.5.NF.B.6

Front

What is the product of 2/3 and 4/9?

Back

2/3 x 4/9 = (2*4)/(3*9) = 8/27.

Tags

CCSS.5.NF.B.6

Front

How do you simplify the fraction 6/8?

Back

6/8 can be simplified by dividing both the numerator and denominator by 2, resulting in 3/4.

Front

What is the product of 8/9 and 3/4?

Back

8/9 x 3/4 = (8*3)/(9*4) = 24/36, which simplifies to 2/3.

Tags

CCSS.5.NF.B.6

Front

Solve 3/4 x 2/3.

Back

3/4 x 2/3 = (3*2)/(4*3) = 6/12, which simplifies to 1/2.

Tags

CCSS.5.NF.B.6

Front

What is the first step in multiplying fractions?

Back

The first step is to multiply the numerators together.

Tags

CCSS.5.NF.B.6