Subtract 56/60 from 21/12
1st number: 1 9/12, 2nd number: 56/60
21/12 - 56/60 is 49/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
21/12 = 21 × 5/12 × 5 = 105/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
56/60 = 56 × 1/60 × 1 = 56/60 - Subtract the two like fractions:
105/60 - 56/60 = 105 - 56/60 = 49/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12-56/60 21/24-56/60 63/12-56/60 21/36-56/60 21/60-56/60 21/84-56/60