Subtract 5/54 from 1/72
1/72 - 5/54 is -17/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
1/72 = 1 × 3/72 × 3 = 3/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
5/54 = 5 × 4/54 × 4 = 20/216 - Subtract the two like fractions:
3/216 - 20/216 = 3 - 20/216 = -17/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72-5/54 1/72-10/54 3/72-5/54 1/72-15/54 5/72-5/54 1/72-25/54 7/72-5/54 1/72-35/54