Subtract 10/18 from 15/98
15/98 - 10/18 is -355/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
15/98 = 15 × 9/98 × 9 = 135/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
10/18 = 10 × 49/18 × 49 = 490/882 - Subtract the two like fractions:
135/882 - 490/882 = 135 - 490/882 = -355/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98-10/18 15/98-20/18 15/98-10/36 45/98-10/18 15/98-30/18 15/98-10/54 75/98-10/18 15/98-50/18 15/98-10/90 15/98-70/18