Subtract 7/24 from 15/56
15/56 - 7/24 is -1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
7/24 = 7 × 7/24 × 7 = 49/168 - Subtract the two like fractions:
45/168 - 49/168 = 45 - 49/168 = -4/168 - After reducing the fraction, the answer is -1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56-7/24 15/56-14/24 15/56-7/48 45/56-7/24 15/56-21/24 15/56-7/72 75/56-7/24 15/56-35/24 15/56-49/24