Dividing Fractions By Whole Numbers

Multiply the bottom number of the fraction by the whole number.

To Divide a Fraction by a Whole Number:

  • Step 1. Multiply the bottom number of the fraction by the whole number
  • Step 2. Simplify the fraction (if needed)

Example 1

1 ÷ 3
2

Step 1. Multiply the bottom number of the fraction by the whole number

1 = 1
2 × 3 6

Step 2. Fraction is already as simple as possible, so no need for step 2. Answer:

1   ÷ 3 =   1
2 6

With Pen and Paper

And here is how to do it with a pen and paper (press the play button):

Does it make sense?

Does 1   ÷ 3 really equal   1  ?
2 6

Well look at the pizzas below ...

When half a pizza is divided into 3 equal parts, each person gets one sixth of a whole pizza.

A Half: 3/6 Divided by 3: 1/6 Answer: 1/6


Example 2

2   ÷ 4
5

Step 1. Multiply the bottom number of the fraction by the whole number

2 = 2
5 × 4 20

Step 2. Simplify the fraction:

2 = 1
20 10

And that is all we have to do.

 

 
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