Subtract 9/12 from 6/27
6/27 - 9/12 is -19/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
6/27 = 6 × 4/27 × 4 = 24/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
9/12 = 9 × 9/12 × 9 = 81/108 - Subtract the two like fractions:
24/108 - 81/108 = 24 - 81/108 = -57/108 - After reducing the fraction, the answer is -19/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-9/12 6/27-18/12 6/54-9/12 6/27-9/24 18/27-9/12 6/27-27/12 6/81-9/12 6/27-9/36 30/27-9/12 6/27-45/12 6/27-9/60 42/27-9/12 6/27-63/12 6/27-9/84