Subtract 49/6 from 21/10
1st number: 2 1/10, 2nd number: 8 1/6
21/10 - 49/6 is -91/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
49/6 = 49 × 5/6 × 5 = 245/30 - Subtract the two like fractions:
63/30 - 245/30 = 63 - 245/30 = -182/30 - After reducing the fraction, the answer is -91/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10-49/6 21/10-98/6 21/20-49/6 21/10-49/12 63/10-49/6 21/30-49/6 21/10-49/18 21/50-49/6 21/10-49/30 21/70-49/6 21/10-49/42