IXL | Divide fractions by whole numbers: word problems

Quinn used 1/2 of a cup of frosting to decorate some cupcakes. He divided all the frosting equally among 4 cupcakes. How much frosting did Quinn use on each cupcake?

Simplify your answer and write it as a fraction or as a whole or mixed number.

cups

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Learn with an example

question

A road repair crew spread 1/2 of a ton of gravel evenly over 4 feet of road. How many tons of gravel did they spread on each foot of road?

Simplify your answer and write it as a fraction or as a whole or mixed number.

tons

key idea

Write mixed numbers and whole numbers as improper fractions. Multiply by the reciprocal of the divisor.

solution

Divide the total weight of gravel by the amount of road.

Write

as an improper fraction:

Turn this from a division problem into a multiplication problem by multiplying by the reciprocal.

Now multiply.

1 × 1

2 × 4

The road repair crew spread 1/8 of a ton of gravel on each foot of road.

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Lesson: Dividing fractions by whole numbers

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Lesson: Dividing fractions by whole numbers

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