Subtract 42/14 from 10/12
1st number: 10/12, 2nd number: 3 0/14
10/12 - 42/14 is -13/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
42/14 = 42 × 6/14 × 6 = 252/84 - Subtract the two like fractions:
70/84 - 252/84 = 70 - 252/84 = -182/84 - After reducing the fraction, the answer is -13/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12-42/14 10/12-84/14 10/24-42/14 10/12-42/28 30/12-42/14 10/36-42/14 50/12-42/14 10/60-42/14 10/12-42/70 70/12-42/14 10/84-42/14 10/12-42/98