Subtract 6/8 from 25/54
25/54 - 6/8 is -31/108.
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,
25/54 = 25 × 4/54 × 4 = 100/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
6/8 = 6 × 27/8 × 27 = 162/216 - Subtract the two like fractions:
100/216 - 162/216 = 100 - 162/216 = -62/216 - After reducing the fraction, the answer is -31/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54-6/8 25/54-12/8 25/54-6/16 75/54-6/8 25/54-18/8 25/54-6/24 25/54-30/8 25/54-6/40 25/54-42/8 25/54-6/56