Subtract 7/48 from 56/72
56/72 - 7/48 is 91/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
56/72 = 56 × 2/72 × 2 = 112/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
7/48 = 7 × 3/48 × 3 = 21/144 - Subtract the two like fractions:
112/144 - 21/144 = 112 - 21/144 = 91/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/72-14/48 56/72-7/96 56/72-21/48 56/72-35/48 56/72-49/48