Subtract 21/14 from 7/6
1st number: 1 1/6, 2nd number: 1 7/14
7/6 - 21/14 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
7/6 = 7 × 7/6 × 7 = 49/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Subtract the two like fractions:
49/42 - 63/42 = 49 - 63/42 = -14/42 - After reducing the fraction, the answer is -1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-21/14 7/6-42/14 7/12-21/14 7/6-21/28 21/6-21/14 7/6-63/14 7/18-21/14 7/6-21/42 35/6-21/14 7/30-21/14 7/6-21/70 49/6-21/14 7/42-21/14 7/6-21/98