Sum Of Mix Fractions

Fast trick to calculate sum of mix fractions .

Solve 55 4 / 5 + 113 5 / 5 + 138 8 / 4

First of all add non fraction value and for fraction lets take the Lcm -

306 + (16 + 20 + 40 / 20)

306 + 76 / 20

306 + 3.8

309.8