Subtract 7/8 from 10/54
10/54 - 7/8 is -149/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
10/54 = 10 × 4/54 × 4 = 40/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
7/8 = 7 × 27/8 × 27 = 189/216 - Subtract the two like fractions:
40/216 - 189/216 = 40 - 189/216 = -149/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54-7/8 10/54-14/8 10/54-7/16 30/54-7/8 10/54-21/8 10/54-7/24 50/54-7/8 10/54-35/8 10/54-7/40 70/54-7/8 10/54-49/8 10/54-7/56