Subtract 15/27 from 16/15
1st number: 1 1/15, 2nd number: 15/27
16/15 - 15/27 is 23/45.
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,
16/15 = 16 × 9/15 × 9 = 144/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
15/27 = 15 × 5/27 × 5 = 75/135 - Subtract the two like fractions:
144/135 - 75/135 = 144 - 75/135 = 69/135 - After reducing the fraction, the answer is 23/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15-15/27 16/15-30/27 16/30-15/27 16/15-15/54 48/15-15/27 16/15-45/27 16/45-15/27 16/15-15/81 80/15-15/27 16/15-75/27 16/75-15/27