Subtract 2/90 from 15/98
15/98 - 2/90 is 577/4410.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
15/98 = 15 × 45/98 × 45 = 675/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
2/90 = 2 × 49/90 × 49 = 98/4410 - Subtract the two like fractions:
675/4410 - 98/4410 = 675 - 98/4410 = 577/4410
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98-2/90 15/98-4/90 45/98-2/90 15/98-6/90 75/98-2/90 15/98-10/90 15/98-14/90