Subtract 70/27 from 15/98
1st number: 15/98, 2nd number: 2 16/27
15/98 - 70/27 is -6455/2646.
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,
15/98 = 15 × 27/98 × 27 = 405/2646 - Likewise, for the 2nd fraction, since 27 × 98 = 2646,
70/27 = 70 × 98/27 × 98 = 6860/2646 - Subtract the two like fractions:
405/2646 - 6860/2646 = 405 - 6860/2646 = -6455/2646
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98-70/27 15/98-70/54 45/98-70/27 15/98-70/81 75/98-70/27