Subtract 4/49 from 21/98
21/98 - 4/49 is 13/98.
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,
4/49 = 4 × 2/49 × 2 = 8/98 - Subtract the two like fractions:
21/98 - 8/98 = 21 - 8/98 = 13/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98-4/49 21/98-8/49 21/98-4/98 63/98-4/49 21/98-12/49 21/98-20/49 21/98-28/49