Subtract 15/27 from 28/98
28/98 - 15/27 is -17/63.
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,
28/98 = 28 × 27/98 × 27 = 756/2646 - Likewise, for the 2nd fraction, since 27 × 98 = 2646,
15/27 = 15 × 98/27 × 98 = 1470/2646 - Subtract the two like fractions:
756/2646 - 1470/2646 = 756 - 1470/2646 = -714/2646 - After reducing the fraction, the answer is -17/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98-15/27 28/98-30/27 28/98-15/54 84/98-15/27 28/98-45/27 28/98-15/81 28/98-75/27