Subtract 28/98 from 7/15
7/15 - 28/98 is 19/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
7/15 = 7 × 98/15 × 98 = 686/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
28/98 = 28 × 15/98 × 15 = 420/1470 - Subtract the two like fractions:
686/1470 - 420/1470 = 686 - 420/1470 = 266/1470 - After reducing the fraction, the answer is 19/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15-28/98 7/15-56/98 7/30-28/98 21/15-28/98 7/15-84/98 7/45-28/98 35/15-28/98 7/75-28/98 49/15-28/98