Subtract 7/27 from 54/15
1st number: 3 9/15, 2nd number: 7/27
54/15 - 7/27 is 451/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
54/15 = 54 × 9/15 × 9 = 486/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
7/27 = 7 × 5/27 × 5 = 35/135 - Subtract the two like fractions:
486/135 - 35/135 = 486 - 35/135 = 451/135 - In mixed form: 346/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-14/27 54/30-7/27 54/15-7/54 54/15-21/27 54/45-7/27 54/15-7/81 54/15-35/27 54/75-7/27 54/15-49/27