Subtract 54/27 from 28/15
1st number: 1 13/15, 2nd number: 2 0/27
28/15 - 54/27 is -2/15.
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,
28/15 = 28 × 9/15 × 9 = 252/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Subtract the two like fractions:
252/135 - 270/135 = 252 - 270/135 = -18/135 - After reducing the fraction, the answer is -2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-54/27 28/30-54/27 84/15-54/27 28/45-54/27 28/15-54/81 28/75-54/27