Subtract 4/7 from 28/98
28/98 - 4/7 is -2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 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 7 × 14 = 98,
4/7 = 4 × 14/7 × 14 = 56/98 - Subtract the two like fractions:
28/98 - 56/98 = 28 - 56/98 = -28/98 - After reducing the fraction, the answer is -2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98-4/7 28/98-8/7 28/98-4/14 84/98-4/7 28/98-12/7 28/98-4/21 28/98-20/7 28/98-4/35 28/98-28/7 28/98-4/49