Sagot :
Find the smallest multiple (LCM) of both numbers.Rewrite the fractions as equivalent fractions with the LCM as the denominator.Simply if needed. :D
when its similar fraction just copy the dinaminator and subtract the numerator
when its dissimilar you need to find the (LCD) or least common dinaminator of the fraction
when its dissimilar you need to find the (LCD) or least common dinaminator of the fraction