Subtract 20/49 from 28/98
28/98 - 20/49 is -6/49.
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,
28/98 = 28 × 1/98 × 1 = 28/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
20/49 = 20 × 2/49 × 2 = 40/98 - Subtract the two like fractions:
28/98 - 40/98 = 28 - 40/98 = -12/98 - After reducing the fraction, the answer is -6/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98-20/49 28/98-40/49 28/98-20/98 84/98-20/49 28/98-60/49