Subtract 3/72 from 4/54
4/54 - 3/72 is 7/216.
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,
3/72 = 3 × 3/72 × 3 = 9/216 - Subtract the two like fractions:
16/216 - 9/216 = 16 - 9/216 = 7/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/54-3/72 4/54-6/72 12/54-3/72 4/54-9/72 20/54-3/72 4/54-15/72 28/54-3/72 4/54-21/72