Question

What is 18/90 in simplest form?

Answer 1

1/5 because since 18×5 is 90 so your denominator is 5 and 18×1 is 18 so answer is......

1/5

Answer 2

both the numerator and the denominator can be easily divided by 9. so you get:
2/10
as you can tell it can still be simplified. both the numerator and denominator can be divided by 2. so your final answer is
1/5