Subtract 98/16 from 10/21
1st number: 10/21, 2nd number: 6 2/16
10/21 - 98/16 is -949/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
10/21 = 10 × 16/21 × 16 = 160/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
98/16 = 98 × 21/16 × 21 = 2058/336 - Subtract the two like fractions:
160/336 - 2058/336 = 160 - 2058/336 = -1898/336 - After reducing the fraction, the answer is -949/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21-98/16 10/42-98/16 10/21-98/32 30/21-98/16 10/63-98/16 10/21-98/48 50/21-98/16 10/21-98/80 70/21-98/16