Subtract 10/72 from 10/15, Solve 10/15

Subtract 10/72 from 10/15

10/15 - 10/72 is 19/36.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 15 × 24 = 360,
10/15 = 10 × 24/15 × 24 = 240/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360
Subtract the two like fractions:
240/360 - 50/360 = 240 - 50/360 = 190/360
After reducing the fraction, the answer is 19/36

MathStep (Works offline)

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