Subtract 35/3 from 21/20
1st number: 1 1/20, 2nd number: 11 2/3
21/20 - 35/3 is -637/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
35/3 = 35 × 20/3 × 20 = 700/60 - Subtract the two like fractions:
63/60 - 700/60 = 63 - 700/60 = -637/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/20-35/3 21/20-70/3 21/40-35/3 21/20-35/6 63/20-35/3 21/60-35/3 21/20-35/9 21/20-35/15 21/20-35/21