How do you simplify 10 div 1/2?

1 Answer
Aug 10, 2016

10 div 1/2 = 20

Compare with 10 div 2 = 5

Explanation:

10 div 1/2 is easily confused with 10 div 2

10 div 1/2 asks " how many halves can I get from 10?"

If you have 10 pizzas and each is cut into two halves, there will be 20 halves altogether.

10 div 2 asks " how many groups of 2 can I make from 10?"
There will be 5 groups of 2. " "(2+2+2+2+2 =10)

To divide by a fraction, multiply by its reciprocal.

10 div 1/2 = 10 xx2/1 = 20