Subtract 7/54 from 2/15
2/15 - 7/54 is 1/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
2/15 = 2 × 18/15 × 18 = 36/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
7/54 = 7 × 5/54 × 5 = 35/270 - Subtract the two like fractions:
36/270 - 35/270 = 36 - 35/270 = 1/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15-7/54 2/15-14/54 2/30-7/54 6/15-7/54 2/15-21/54 2/45-7/54 10/15-7/54 2/15-35/54 2/75-7/54 14/15-7/54 2/15-49/54