Subtract 81/72 from 10/60
1st number: 10/60, 2nd number: 1 9/72
10/60 - 81/72 is -23/24.
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,
10/60 = 10 × 6/60 × 6 = 60/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
81/72 = 81 × 5/72 × 5 = 405/360 - Subtract the two like fractions:
60/360 - 405/360 = 60 - 405/360 = -345/360 - After reducing the fraction, the answer is -23/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/60-81/72 30/60-81/72 50/60-81/72 70/60-81/72