Add 20/12 and 42/98
1st number: 1 8/12, 2nd number: 42/98
20/12 + 42/98 is 44/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
20/12 = 20 × 49/12 × 49 = 980/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
42/98 = 42 × 6/98 × 6 = 252/588 - Add the two like fractions:
980/588 + 252/588 = 980 + 252/588 = 1232/588 - 1232/588 simplified gives 44/21
- So, 20/12 + 42/98 = 44/21
In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+42/98 20/12+84/98 20/24+42/98 60/12+42/98 20/36+42/98 20/60+42/98 20/84+42/98