Add 20/12 and 18/98
1st number: 1 8/12, 2nd number: 18/98
20/12 + 18/98 is 272/147.
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,
18/98 = 18 × 6/98 × 6 = 108/588 - Add the two like fractions:
980/588 + 108/588 = 980 + 108/588 = 1088/588 - 1088/588 simplified gives 272/147
- So, 20/12 + 18/98 = 272/147
In mixed form: 1125/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+18/98 20/12+36/98 20/24+18/98 60/12+18/98 20/12+54/98 20/36+18/98 20/12+90/98 20/60+18/98 20/84+18/98