Subtract 40/27 from 4/12
1st number: 4/12, 2nd number: 1 13/27
4/12 - 40/27 is -31/27.
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,
4/12 = 4 × 9/12 × 9 = 36/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
40/27 = 40 × 4/27 × 4 = 160/108 - Subtract the two like fractions:
36/108 - 160/108 = 36 - 160/108 = -124/108 - After reducing the fraction, the answer is -31/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-40/27 4/12-80/27 4/24-40/27 4/12-40/54 4/36-40/27 4/12-40/81 20/12-40/27 4/60-40/27 28/12-40/27 4/84-40/27