Subtract 60/72 from 18/60
18/60 - 60/72 is -8/15.
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,
18/60 = 18 × 6/60 × 6 = 108/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
60/72 = 60 × 5/72 × 5 = 300/360 - Subtract the two like fractions:
108/360 - 300/360 = 108 - 300/360 = -192/360 - After reducing the fraction, the answer is -8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60-60/72 54/60-60/72 90/60-60/72