Subtract 7/72 from 8/15
8/15 - 7/72 is 157/360.
Steps for subtracting fractions
- 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,
8/15 = 8 × 24/15 × 24 = 192/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
7/72 = 7 × 5/72 × 5 = 35/360 - Subtract the two like fractions:
192/360 - 35/360 = 192 - 35/360 = 157/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-7/72 8/15-14/72 8/30-7/72 24/15-7/72 8/15-21/72 8/45-7/72 40/15-7/72 8/15-35/72 8/75-7/72 56/15-7/72 8/15-49/72