Multiplying fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator and 'b' is the denominator.

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 3/4 and 1/4?

Back

3/4 x 1/4 = (3*1)/(4*4) = 3/16.

Tags

CCSS.5.NF.B.6

Front

Calculate 3/4 x 1/2.

Back

3/4 x 1/2 = (3*1)/(4*2) = 3/8.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

How do you find the product of 8/9 and 3/4 using cross canceling?

Back

8/9 x 3/4 = (8*1)/(1*12) = 2/3.

Tags

CCSS.5.NF.B.6

Front

What is the numerator in the fraction 5/8?

Back

The numerator is 5.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the denominator in the fraction 5/8?

Back

The denominator is 8.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B