How can you simplify 15 35?

Answer 1

Well, honey, you can't simplify 15 35 because it's not a mathematical expression. It's just two numbers chilling side by side. If you want to simplify something, give me an operation like addition or multiplication to work with. Math ain't no mind reader, darling.

Answer 2

15/35 ?

factor out a 5

5*3/5*7

now, as 5 appears in both numerator and denominator as a factor it can be eliminated

3/7

--------simplified