contestada

The question says finding fraction
Divide 100 into the given fractions
9/10 is 100
1/2 is 100

3/4 is 100
1/4 is 100

1/5 is 100
3/5 is 100
1/10 is 100
9/10 is 100
1/20 is 100
9/20 is 100
Please help is sons homework I don't understand it.