Since 60 = 60 is true, you can be sure that x = 6 is the correct answer.Ī fraction with a zero denominator is undefined.Ī fraction with a zero numerator equals 0. To check the work put the result, 6 back into the original equation Solve for x by cross multiplying and simplifying the equation to find x.Įxample: Given the equation 4/10 = x/15 solve for x. Solve the proportion between 2 fractions and calculate the missing fraction variable in equalities.Įnter 3 values and 1 unknown.
Find the missing fraction variable in the proportion using cross multiplication to calculate the unknown variable
