Subtract 10/98 from 20/84
20/84 - 10/98 is 20/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
20/84 = 20 × 7/84 × 7 = 140/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
10/98 = 10 × 6/98 × 6 = 60/588 - Subtract the two like fractions:
140/588 - 60/588 = 140 - 60/588 = 80/588 - After reducing the fraction, the answer is 20/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84-10/98 20/84-20/98 60/84-10/98 20/84-30/98 20/84-50/98 20/84-70/98