Subtract 25/54 from 7/8
7/8 - 25/54 is 89/216.
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,
25/54 = 25 × 4/54 × 4 = 100/216 - Subtract the two like fractions:
189/216 - 100/216 = 189 - 100/216 = 89/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-25/54 7/8-50/54 7/16-25/54 21/8-25/54 7/8-75/54 7/24-25/54 35/8-25/54 7/40-25/54 49/8-25/54 7/56-25/54