Subtract 24/27 from 9/15
9/15 - 24/27 is -13/45.
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,
24/27 = 24 × 5/27 × 5 = 120/135 - Subtract the two like fractions:
81/135 - 120/135 = 81 - 120/135 = -39/135 - After reducing the fraction, the answer is -13/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15-24/27 9/15-48/27 9/30-24/27 9/15-24/54 27/15-24/27 9/15-72/27 9/45-24/27 9/15-24/81 45/15-24/27 9/75-24/27 63/15-24/27