Subtract 35/6 from 7/21
1st number: 7/21, 2nd number: 5 5/6
7/21 - 35/6 is -11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
7/21 = 7 × 2/21 × 2 = 14/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
35/6 = 35 × 7/6 × 7 = 245/42 - Subtract the two like fractions:
14/42 - 245/42 = 14 - 245/42 = -231/42 - After reducing the fraction, the answer is -11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21-35/6 7/21-70/6 7/42-35/6 7/21-35/12 7/63-35/6 7/21-35/18 35/21-35/6 7/21-35/30 49/21-35/6 7/21-35/42