Subtract 42/14 from 4/12
1st number: 4/12, 2nd number: 3 0/14
4/12 - 42/14 is -8/3.
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,
4/12 = 4 × 7/12 × 7 = 28/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
42/14 = 42 × 6/14 × 6 = 252/84 - Subtract the two like fractions:
28/84 - 252/84 = 28 - 252/84 = -224/84 - After reducing the fraction, the answer is -8/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-42/14 4/12-84/14 4/24-42/14 4/12-42/28 4/36-42/14 20/12-42/14 4/60-42/14 4/12-42/70 28/12-42/14 4/84-42/14 4/12-42/98