Subtract 21/32 from 49/75
49/75 - 21/32 is -7/2400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 32 is 2400
Next, find the equivalent fraction of both fractional numbers with denominator 2400 - For the 1st fraction, since 75 × 32 = 2400,
49/75 = 49 × 32/75 × 32 = 1568/2400 - Likewise, for the 2nd fraction, since 32 × 75 = 2400,
21/32 = 21 × 75/32 × 75 = 1575/2400 - Subtract the two like fractions:
1568/2400 - 1575/2400 = 1568 - 1575/2400 = -7/2400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/75-21/32 49/75-42/32 49/75-21/64 49/75-63/32 49/75-21/96