Subtract 56/27 from 72/60
1st number: 1 12/60, 2nd number: 2 2/27
72/60 - 56/27 is -118/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
72/60 = 72 × 9/60 × 9 = 648/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
56/27 = 56 × 20/27 × 20 = 1120/540 - Subtract the two like fractions:
648/540 - 1120/540 = 648 - 1120/540 = -472/540 - After reducing the fraction, the answer is -118/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60-56/54 72/60-56/81