Subtract 12/14 from 21/6
1st number: 3 3/6, 2nd number: 12/14
21/6 - 12/14 is 37/14.
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,
21/6 = 21 × 7/6 × 7 = 147/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
12/14 = 12 × 3/14 × 3 = 36/42 - Subtract the two like fractions:
147/42 - 36/42 = 147 - 36/42 = 111/42 - After reducing the fraction, the answer is 37/14
- In mixed form: 29/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6-12/14 21/6-24/14 21/12-12/14 21/6-12/28 63/6-12/14 21/6-36/14 21/18-12/14 21/6-12/42 21/6-60/14 21/30-12/14 21/6-12/70 21/6-84/14 21/42-12/14 21/6-12/98