Subtract 40/9 from 2/12
1st number: 2/12, 2nd number: 4 4/9
2/12 - 40/9 is -77/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
2/12 = 2 × 3/12 × 3 = 6/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
40/9 = 40 × 4/9 × 4 = 160/36 - Subtract the two like fractions:
6/36 - 160/36 = 6 - 160/36 = -154/36 - After reducing the fraction, the answer is -77/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-40/9 2/12-80/9 2/24-40/9 2/12-40/18 6/12-40/9 2/36-40/9 2/12-40/27 10/12-40/9 2/60-40/9 2/12-40/45 14/12-40/9 2/84-40/9 2/12-40/63