Add 20/12 and 15/49
1st number: 1 8/12, 2nd number: 15/49
20/12 + 15/49 is 290/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 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 49 × 12 = 588,
15/49 = 15 × 12/49 × 12 = 180/588 - Add the two like fractions:
980/588 + 180/588 = 980 + 180/588 = 1160/588 - 1160/588 simplified gives 290/147
- So, 20/12 + 15/49 = 290/147
In mixed form: 1143/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+15/49 20/12+30/49 20/24+15/49 20/12+15/98 60/12+15/49 20/12+45/49 20/36+15/49 20/12+75/49 20/60+15/49 20/84+15/49