Subtract 10/12 from 15/98
15/98 - 10/12 is -100/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
15/98 = 15 × 6/98 × 6 = 90/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
10/12 = 10 × 49/12 × 49 = 490/588 - Subtract the two like fractions:
90/588 - 490/588 = 90 - 490/588 = -400/588 - After reducing the fraction, the answer is -100/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98-10/12 15/98-20/12 15/98-10/24 45/98-10/12 15/98-30/12 15/98-10/36 75/98-10/12 15/98-50/12 15/98-10/60 15/98-70/12 15/98-10/84