Subtract 21/4 from 7/75
1st number: 7/75, 2nd number: 5 1/4
7/75 - 21/4 is -1547/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 4 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
7/75 = 7 × 4/75 × 4 = 28/300 - Likewise, for the 2nd fraction, since 4 × 75 = 300,
21/4 = 21 × 75/4 × 75 = 1575/300 - Subtract the two like fractions:
28/300 - 1575/300 = 28 - 1575/300 = -1547/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-21/4 7/75-42/4 7/75-21/8 21/75-21/4 7/75-63/4 7/75-21/12 35/75-21/4 7/75-21/20 49/75-21/4 7/75-21/28