Subtract 56/3 from 21/98
1st number: 21/98, 2nd number: 18 2/3
21/98 - 56/3 is -775/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 3 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294 - Likewise, for the 2nd fraction, since 3 × 98 = 294,
56/3 = 56 × 98/3 × 98 = 5488/294 - Subtract the two like fractions:
63/294 - 5488/294 = 63 - 5488/294 = -5425/294 - After reducing the fraction, the answer is -775/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98-56/3 21/98-56/6 63/98-56/3 21/98-56/9 21/98-56/15 21/98-56/21