Subtract 21/5 from 16/75
1st number: 16/75, 2nd number: 4 1/5
16/75 - 21/5 is -299/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 5 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
16/75 = 16 × 1/75 × 1 = 16/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
21/5 = 21 × 15/5 × 15 = 315/75 - Subtract the two like fractions:
16/75 - 315/75 = 16 - 315/75 = -299/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/75-21/5 16/75-42/5 16/75-21/10 48/75-21/5 16/75-63/5 16/75-21/15 80/75-21/5 16/75-21/25 16/75-21/35