Subtract 90/98 from 10/14
10/14 - 90/98 is -10/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 98 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
10/14 = 10 × 7/14 × 7 = 70/98 - Likewise, for the 2nd fraction, since 98 × 1 = 98,
90/98 = 90 × 1/98 × 1 = 90/98 - Subtract the two like fractions:
70/98 - 90/98 = 70 - 90/98 = -20/98 - After reducing the fraction, the answer is -10/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/14-90/98 10/28-90/98 30/14-90/98 10/42-90/98 50/14-90/98 10/70-90/98 70/14-90/98 10/98-90/98