Subtract 16/54 from 7/8
7/8 - 16/54 is 125/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
7/8 = 7 × 27/8 × 27 = 189/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
16/54 = 16 × 4/54 × 4 = 64/216 - Subtract the two like fractions:
189/216 - 64/216 = 189 - 64/216 = 125/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-16/54 7/8-32/54 7/16-16/54 21/8-16/54 7/8-48/54 7/24-16/54 35/8-16/54 7/8-80/54 7/40-16/54 49/8-16/54 7/56-16/54