Add 20/98 and 40/84
20/98 + 40/84 is 100/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 84 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
20/98 = 20 × 6/98 × 6 = 120/588 - Likewise, for the 2nd fraction, since 84 × 7 = 588,
40/84 = 40 × 7/84 × 7 = 280/588 - Add the two like fractions:
120/588 + 280/588 = 120 + 280/588 = 400/588 - 400/588 simplified gives 100/147
- So, 20/98 + 40/84 = 100/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+40/84 20/98+80/84 60/98+40/84