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:
12 ÷ 3
Step 1. Multiply the bottom of the fraction by the whole number:
12 × 3
Which equals:
16
Step 2. Fraction is already as simple as possible, so no need for step 2.
Answer:
12 ÷ 3 = 16
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 12 ÷ 3 really equal 16 ?
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: | Divide it by 3: | |||
 |
 |
Answer: 16 |
Another example:
Example:
25 ÷ 4
Step 1. Multiply the bottom of the fraction by the whole number:
25 × 4 = 220
Step 2. Simplify the fraction:
220 = 110
Done!
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