Subtract 42/7 from 2/12
1st number: 2/12, 2nd number: 6 0/7
2/12 - 42/7 is -35/6.
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,
42/7 = 42 × 12/7 × 12 = 504/84 - Subtract the two like fractions:
14/84 - 504/84 = 14 - 504/84 = -490/84 - After reducing the fraction, the answer is -35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-42/7 2/12-84/7 2/24-42/7 2/12-42/14 6/12-42/7 2/36-42/7 2/12-42/21 10/12-42/7 2/60-42/7 2/12-42/35 14/12-42/7 2/84-42/7 2/12-42/49