Subtract 21/20 from 2/75
1st number: 2/75, 2nd number: 1 1/20
2/75 - 21/20 is -307/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
2/75 = 2 × 4/75 × 4 = 8/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
21/20 = 21 × 15/20 × 15 = 315/300 - Subtract the two like fractions:
8/300 - 315/300 = 8 - 315/300 = -307/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/75-21/20 2/75-42/20 2/75-21/40 6/75-21/20 2/75-63/20 2/75-21/60 10/75-21/20 14/75-21/20