Subtract 15/27 from 7/12
7/12 - 15/27 is 1/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
7/12 = 7 × 9/12 × 9 = 63/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
15/27 = 15 × 4/27 × 4 = 60/108 - Subtract the two like fractions:
63/108 - 60/108 = 63 - 60/108 = 3/108 - After reducing the fraction, the answer is 1/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12-15/27 7/12-30/27 7/24-15/27 7/12-15/54 21/12-15/27 7/12-45/27 7/36-15/27 7/12-15/81 35/12-15/27 7/12-75/27 7/60-15/27 49/12-15/27 7/84-15/27