Subtract 54/27 from 9/15
1st number: 9/15, 2nd number: 2 0/27
9/15 - 54/27 is -7/5.
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,
9/15 = 9 × 9/15 × 9 = 81/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Subtract the two like fractions:
81/135 - 270/135 = 81 - 270/135 = -189/135 - After reducing the fraction, the answer is -7/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15-54/27 9/30-54/27 27/15-54/27 9/45-54/27 9/15-54/81 45/15-54/27 9/75-54/27 63/15-54/27