Subtract 49/24 from 75/21
1st number: 3 12/21, 2nd number: 2 1/24
75/21 - 49/24 is 257/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
75/21 = 75 × 8/21 × 8 = 600/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
49/24 = 49 × 7/24 × 7 = 343/168 - Subtract the two like fractions:
600/168 - 343/168 = 600 - 343/168 = 257/168 - In mixed form: 189/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/21-98/24 75/42-49/24 75/21-49/48 75/63-49/24 75/21-49/72