Subtract 8/27 from 9/12
9/12 - 8/27 is 49/108.
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,
9/12 = 9 × 9/12 × 9 = 81/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
8/27 = 8 × 4/27 × 4 = 32/108 - Subtract the two like fractions:
81/108 - 32/108 = 81 - 32/108 = 49/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12-8/27 9/12-16/27 9/24-8/27 9/12-8/54 27/12-8/27 9/12-24/27 9/36-8/27 9/12-8/81 45/12-8/27 9/12-40/27 9/60-8/27 63/12-8/27 9/12-56/27 9/84-8/27