Subtract 28/27 from 7/98
1st number: 7/98, 2nd number: 1 1/27
7/98 - 28/27 is -365/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 27 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 98 × 27 = 2646,
7/98 = 7 × 27/98 × 27 = 189/2646 - Likewise, for the 2nd fraction, since 27 × 98 = 2646,
28/27 = 28 × 98/27 × 98 = 2744/2646 - Subtract the two like fractions:
189/2646 - 2744/2646 = 189 - 2744/2646 = -2555/2646 - After reducing the fraction, the answer is -365/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98-28/27 7/98-56/27 7/98-28/54 21/98-28/27 7/98-84/27 7/98-28/81 35/98-28/27 49/98-28/27