Subtract 7/54 from 25/72
25/72 - 7/54 is 47/216.
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,
25/72 = 25 × 3/72 × 3 = 75/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
7/54 = 7 × 4/54 × 4 = 28/216 - Subtract the two like fractions:
75/216 - 28/216 = 75 - 28/216 = 47/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72-7/54 25/72-14/54 75/72-7/54 25/72-21/54 25/72-35/54 25/72-49/54