Subtract 8/60 from 7/72
7/72 - 8/60 is -13/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
7/72 = 7 × 5/72 × 5 = 35/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
8/60 = 8 × 6/60 × 6 = 48/360 - Subtract the two like fractions:
35/360 - 48/360 = 35 - 48/360 = -13/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72-8/60 7/72-16/60 21/72-8/60 7/72-24/60 35/72-8/60 7/72-40/60 49/72-8/60 7/72-56/60