Subtract 56/15 from 60/20
1st number: 3 0/20, 2nd number: 3 11/15
60/20 - 56/15 is -11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
60/20 = 60 × 3/20 × 3 = 180/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Subtract the two like fractions:
180/60 - 224/60 = 180 - 224/60 = -44/60 - After reducing the fraction, the answer is -11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40-56/15 60/20-56/30 60/20-56/45 60/20-56/75