Please help me? With my math?

Question

im not asking for answers it my homework but i need help

simplifly 15/20 and 5:100

Answer 1

15/20=3/4 (each number can be divide by 5) 15/3=5 20/5=4

5:100=1:20 (each number can be divided by 5) 5/5=1  100/5=20

Answer 2

15/20 can be simplied if u divide the numerator and denominator by 5...so you get the fraction 3/4.

5:100 can be simplified if you divide both sides by 5...so you get the ratio 1:20.

Answer 3

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