Subtract 49/24 from 42/28
1st number: 1 14/28, 2nd number: 2 1/24
42/28 - 49/24 is -13/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
42/28 = 42 × 6/28 × 6 = 252/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
49/24 = 49 × 7/24 × 7 = 343/168 - Subtract the two like fractions:
252/168 - 343/168 = 252 - 343/168 = -91/168 - After reducing the fraction, the answer is -13/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-49/24 42/28-98/24 42/56-49/24 42/28-49/48 42/84-49/24 42/28-49/72