Subtract 21/12 from 6/14
1st number: 6/14, 2nd number: 1 9/12
6/14 - 21/12 is -37/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
6/14 = 6 × 6/14 × 6 = 36/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
21/12 = 21 × 7/12 × 7 = 147/84 - Subtract the two like fractions:
36/84 - 147/84 = 36 - 147/84 = -111/84 - After reducing the fraction, the answer is -37/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/14-21/12 6/14-42/12 6/28-21/12 6/14-21/24 18/14-21/12 6/14-63/12 6/42-21/12 6/14-21/36 30/14-21/12 6/70-21/12 6/14-21/60 42/14-21/12 6/98-21/12 6/14-21/84