Subtract 35/49 from 21/98
21/98 - 35/49 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
21/98 = 21 × 1/98 × 1 = 21/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
35/49 = 35 × 2/49 × 2 = 70/98 - Subtract the two like fractions:
21/98 - 70/98 = 21 - 70/98 = -49/98 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98-35/49 21/98-70/49 21/98-35/98 63/98-35/49