Subtract 4/7 from 2/12
2/12 - 4/7 is -17/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
4/7 = 4 × 12/7 × 12 = 48/84 - Subtract the two like fractions:
14/84 - 48/84 = 14 - 48/84 = -34/84 - After reducing the fraction, the answer is -17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-4/7 2/12-8/7 2/24-4/7 2/12-4/14 6/12-4/7 2/12-12/7 2/36-4/7 2/12-4/21 10/12-4/7 2/12-20/7 2/60-4/7 2/12-4/35 14/12-4/7 2/12-28/7 2/84-4/7 2/12-4/49