Add 20/12 and 28/98
1st number: 1 8/12, 2nd number: 28/98
20/12 + 28/98 is 41/21.
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,
28/98 = 28 × 6/98 × 6 = 168/588 - Add the two like fractions:
980/588 + 168/588 = 980 + 168/588 = 1148/588 - 1148/588 simplified gives 41/21
- So, 20/12 + 28/98 = 41/21
In mixed form: 120/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+28/98 20/12+56/98 20/24+28/98 60/12+28/98 20/12+84/98 20/36+28/98 20/60+28/98 20/84+28/98