Subtract 7/15 from 10/54
10/54 - 7/15 is -38/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
10/54 = 10 × 5/54 × 5 = 50/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
7/15 = 7 × 18/15 × 18 = 126/270 - Subtract the two like fractions:
50/270 - 126/270 = 50 - 126/270 = -76/270 - After reducing the fraction, the answer is -38/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54-7/15 10/54-14/15 10/54-7/30 30/54-7/15 10/54-21/15 10/54-7/45 50/54-7/15 10/54-35/15 10/54-7/75 70/54-7/15 10/54-49/15