Subtract 7/56 from 5/54
5/54 - 7/56 is -7/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
5/54 = 5 × 28/54 × 28 = 140/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
7/56 = 7 × 27/56 × 27 = 189/1512 - Subtract the two like fractions:
140/1512 - 189/1512 = 140 - 189/1512 = -49/1512 - After reducing the fraction, the answer is -7/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54-7/56 5/54-14/56 15/54-7/56 5/54-21/56 25/54-7/56 5/54-35/56 35/54-7/56 5/54-49/56