Subtract 7/8 from 1/27
1/27 - 7/8 is -181/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
1/27 = 1 × 8/27 × 8 = 8/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
7/8 = 7 × 27/8 × 27 = 189/216 - Subtract the two like fractions:
8/216 - 189/216 = 8 - 189/216 = -181/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27-7/8 1/27-14/8 1/54-7/8 1/27-7/16 3/27-7/8 1/27-21/8 1/81-7/8 1/27-7/24 5/27-7/8 1/27-35/8 1/27-7/40 7/27-7/8 1/27-49/8 1/27-7/56