Subtract 7/6 from 21/2
1st number: 10 1/2, 2nd number: 1 1/6
21/2 - 7/6 is 28/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
21/2 = 21 × 3/2 × 3 = 63/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
7/6 = 7 × 1/6 × 1 = 7/6 - Subtract the two like fractions:
63/6 - 7/6 = 63 - 7/6 = 56/6 - After reducing the fraction, the answer is 28/3
- In mixed form: 91/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2-7/6 21/2-14/6 21/4-7/6 21/2-7/12 63/2-7/6 21/2-21/6 21/6-7/6 21/2-7/18 21/2-35/6 21/10-7/6 21/2-7/30 21/2-49/6 21/14-7/6 21/2-7/42