Subtract 21/8 from 2/60
1st number: 2/60, 2nd number: 2 5/8
2/60 - 21/8 is -311/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
2/60 = 2 × 2/60 × 2 = 4/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
21/8 = 21 × 15/8 × 15 = 315/120 - Subtract the two like fractions:
4/120 - 315/120 = 4 - 315/120 = -311/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/60-21/8 2/60-42/8 2/60-21/16 6/60-21/8 2/60-63/8 2/60-21/24 10/60-21/8 2/60-21/40 14/60-21/8 2/60-21/56