What is 75 over 525 in simplest form?

Answer 1

Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 75, 75/525 is equal to 1/7 or one seventh.

--------------------------------------------------------------------------------------------------------------

They way I do it in my head is to start with 25,

there are 3 twenty-fives in 75 and 21 twenty-fives in 525, this means we can reduce it to 3/21

and there are seven threes in 21 which means we can reduce 3/21 into 1/7.