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 (part) and 'b' is the denominator (whole).

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) x (c/d) = (a*c)/(b*d).

Tags

CCSS.5.NF.B.6

Front

What is 1/2 x 3/4?

Back

3/8

Tags

CCSS.5.NF.B.6

Front

If you have 2/3 of a pie and give away 1/2, how much of the whole pie do you give away?

Back

1/3 of the whole pie.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is 1/4 x 5/6?

Back

5/24

Tags

CCSS.5.NF.B.6

Front

What is the product of 9/4 and 2/7?

Back

18/28 or 9/14 after simplification.

Tags

CCSS.5.NF.B.6

Front

What is 1/4 cup of vinegar needed for a recipe if making half a batch?

Back

1/8 cup.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What does it mean to simplify a fraction?

Back

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

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction 'a/b' is 'b/a'. For example, the reciprocal of 3/4 is 4/3.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 1/3 = (2*3 + 1)/3 = 7/3.