5.3I Multiply Whole Numbers by Fractions

Front

What is multiplication?

Back

Multiplication is combining equal groups. It is a way to find the total number of items in several groups of the same size.

Front

How do you multiply a whole number by a fraction?

Back

To multiply a whole number by a fraction, multiply the whole number by the numerator (top number) of the fraction and then divide by the denominator (bottom number).

Front

What is 3/10 x 7?

Back

2 1/10

Front

What is 9 x 5/6?

Back

7 1/2

Front

What is 16 x 3/5?

Back

9 3/5

Front

What is 3 x 3/4?

Back

2 1/4

Front

What does 'of' mean in multiplication with fractions?

Back

In multiplication with fractions, 'of' means to find a part of a whole. For example, 2/3 of 5 means to multiply 2/3 by 5.

Front

What is 2/3 x 5?

Back

3 1/3

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.