Subtract 1/12 from 30/50, Solve 30/50

Subtract 1/12 from 30/50

30/50 - 1/12 is 31/60.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 50 × 6 = 300,
30/50 = 30 × 6/50 × 6 = 180/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
1/12 = 1 × 25/12 × 25 = 25/300
Subtract the two like fractions:
180/300 - 25/300 = 180 - 25/300 = 155/300
After reducing the fraction, the answer is 31/60

MathStep (Works offline)

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