Subtract 6/72 from 4/54
4/54 - 6/72 is -1/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
4/54 = 4 × 4/54 × 4 = 16/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
6/72 = 6 × 3/72 × 3 = 18/216 - Subtract the two like fractions:
16/216 - 18/216 = 16 - 18/216 = -2/216 - After reducing the fraction, the answer is -1/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/54-6/72 4/54-12/72 12/54-6/72 4/54-18/72 20/54-6/72 4/54-30/72 28/54-6/72 4/54-42/72