Subtract 25/36 from 40/50, Solve 40/50

Subtract 25/36 from 40/50

40/50 - 25/36 is 19/180.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900

Next, find the equivalent fraction of both fractional numbers with denominator 900
For the 1st fraction, since 50 × 18 = 900,
40/50 = 40 × 18/50 × 18 = 720/900
Likewise, for the 2nd fraction, since 36 × 25 = 900,
25/36 = 25 × 25/36 × 25 = 625/900
Subtract the two like fractions:
720/900 - 625/900 = 720 - 625/900 = 95/900
After reducing the fraction, the answer is 19/180

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad