Subtract 21/8 from 35/60
1st number: 35/60, 2nd number: 2 5/8
35/60 - 21/8 is -49/24.
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,
35/60 = 35 × 2/60 × 2 = 70/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
21/8 = 21 × 15/8 × 15 = 315/120 - Subtract the two like fractions:
70/120 - 315/120 = 70 - 315/120 = -245/120 - After reducing the fraction, the answer is -49/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60-21/8 35/60-42/8 35/60-21/16 35/60-63/8 35/60-21/24 35/60-21/40 35/60-21/56