Subtract 15/9 from 28/98
1st number: 28/98, 2nd number: 1 6/9
28/98 - 15/9 is -29/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 9 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
28/98 = 28 × 9/98 × 9 = 252/882 - Likewise, for the 2nd fraction, since 9 × 98 = 882,
15/9 = 15 × 98/9 × 98 = 1470/882 - Subtract the two like fractions:
252/882 - 1470/882 = 252 - 1470/882 = -1218/882 - After reducing the fraction, the answer is -29/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98-15/9 28/98-30/9 28/98-15/18 84/98-15/9 28/98-45/9 28/98-15/27 28/98-75/9 28/98-15/45 28/98-15/63