Subtract 1/27 from 5/72
5/72 - 1/27 is 7/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
5/72 = 5 × 3/72 × 3 = 15/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
1/27 = 1 × 8/27 × 8 = 8/216 - Subtract the two like fractions:
15/216 - 8/216 = 15 - 8/216 = 7/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72-1/27 5/72-2/27 5/72-1/54 15/72-1/27 5/72-3/27 5/72-1/81 25/72-1/27 5/72-5/27 35/72-1/27 5/72-7/27