Recent content by ophion

i feel like reversed computation is quite a hassle. especially when we're using uneven and uncommon fractions like 481/643 for example which is unable to reduce, how would i know this as quickly as possible, without having to deal with all the hassle.

Hey there, my question is: do i always have to compare the answer of the multiplied prime numbers by dividing the numerator and denominator with the given answers to see which one is correct. or is there a way to to always see the accurate answer without having to compare them. here is my way...