Subtract 21/10 from 4/75
1st number: 4/75, 2nd number: 2 1/10
4/75 - 21/10 is -307/150.
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,
4/75 = 4 × 2/75 × 2 = 8/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
21/10 = 21 × 15/10 × 15 = 315/150 - Subtract the two like fractions:
8/150 - 315/150 = 8 - 315/150 = -307/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/75-21/10 4/75-42/10 4/75-21/20 12/75-21/10 4/75-63/10 4/75-21/30 20/75-21/10 4/75-21/50 28/75-21/10 4/75-21/70