Subtract 15/27 from 15/36
15/36 - 15/27 is -5/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
15/36 = 15 × 3/36 × 3 = 45/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
15/27 = 15 × 4/27 × 4 = 60/108 - Subtract the two like fractions:
45/108 - 60/108 = 45 - 60/108 = -15/108 - After reducing the fraction, the answer is -5/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36-15/27 15/36-30/27 15/72-15/27 15/36-15/54 45/36-15/27 15/36-45/27 15/36-15/81 75/36-15/27 15/36-75/27