Divide a whole number by a fraction

Front

What does it mean to divide a whole number by a fraction?

Back

Dividing a whole number by a fraction is the same as multiplying the whole number by the reciprocal of the fraction.

Front

What is the reciprocal of 1/2?

Back

The reciprocal of 1/2 is 2.

Front

How do you calculate 8 divided by 1/2?

Back

To calculate 8 ÷ 1/2, multiply 8 by the reciprocal of 1/2, which is 2. So, 8 × 2 = 16.

Front

If you have 30 subs and each person can eat 1/3 of a sub, how many people can eat?

Back

90 people can eat, because 30 ÷ (1/3) = 30 × 3 = 90.

Front

What is 7 divided by 1/4?

Back

7 ÷ 1/4 = 7 × 4 = 28.

Front

If Jason has 2 cups of muffin batter and uses 1/4 cup for each muffin, how many muffins can he make?

Back

Jason can make 8 muffins, because 2 ÷ (1/4) = 2 × 4 = 8.

Front

What is the formula to divide a whole number by a fraction?

Back

The formula is: Whole Number ÷ Fraction = Whole Number × (Reciprocal of the Fraction).

Front

What is the reciprocal of 3/4?

Back

The reciprocal of 3/4 is 4/3.

Front

How do you convert a division of a fraction into multiplication?

Back

To convert a division of a fraction into multiplication, multiply by the reciprocal of the fraction.

Front

What is 10 divided by 1/5?

Back

10 ÷ 1/5 = 10 × 5 = 50.