Subtract 4/72 from 8/54
8/54 - 4/72 is 5/54.
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,
8/54 = 8 × 4/54 × 4 = 32/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
4/72 = 4 × 3/72 × 3 = 12/216 - Subtract the two like fractions:
32/216 - 12/216 = 32 - 12/216 = 20/216 - After reducing the fraction, the answer is 5/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/54-4/72 8/54-8/72 24/54-4/72 8/54-12/72 40/54-4/72 8/54-20/72 56/54-4/72 8/54-28/72