Add 20/84 and 45/98
20/84 + 45/98 is 205/294.
Steps for adding 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,
45/98 = 45 × 6/98 × 6 = 270/588 - Add the two like fractions:
140/588 + 270/588 = 140 + 270/588 = 410/588 - 410/588 simplified gives 205/294
- So, 20/84 + 45/98 = 205/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+45/98 20/84+90/98 60/84+45/98