Subtract 20/72 from 8/60
8/60 - 20/72 is -13/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
8/60 = 8 × 6/60 × 6 = 48/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Subtract the two like fractions:
48/360 - 100/360 = 48 - 100/360 = -52/360 - After reducing the fraction, the answer is -13/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/60-20/72 8/60-40/72 24/60-20/72 8/60-60/72 40/60-20/72 56/60-20/72