-- Divide the numerator by the denominator.-- Multiply the quotient by 100 .
its just using fractions but not more than once to make other fractions
Make the fractions equivalent then subtract
you have to reduce it.reduce means to get smaller
Fractions make no difference to absolute values.
to make life easy
I sometimes convert fractions to different fractions when I change recipes to make more or less than is specified in the original recipe. I also convert fractions when woodworking.
to make them as simple as possible
by dividing the numerator by the denominator
you must make the fractions equivalent and with the same denomenator