Subtract 21/10 from 2/75
1st number: 2/75, 2nd number: 2 1/10
2/75 - 21/10 is -311/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
2/75 = 2 × 2/75 × 2 = 4/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
21/10 = 21 × 15/10 × 15 = 315/150 - Subtract the two like fractions:
4/150 - 315/150 = 4 - 315/150 = -311/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/75-21/10 2/75-42/10 2/75-21/20 6/75-21/10 2/75-63/10 2/75-21/30 10/75-21/10 2/75-21/50 14/75-21/10 2/75-21/70