Add 18/12 and 84/49
1st number: 1 6/12, 2nd number: 1 35/49
18/12 + 84/49 is 45/14.
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,
18/12 = 18 × 49/12 × 49 = 882/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
84/49 = 84 × 12/49 × 12 = 1008/588 - Add the two like fractions:
882/588 + 1008/588 = 882 + 1008/588 = 1890/588 - 1890/588 simplified gives 45/14
- So, 18/12 + 84/49 = 45/14
In mixed form: 33/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+84/49 18/24+84/49 18/12+84/98 54/12+84/49 18/36+84/49 90/12+84/49 18/60+84/49 18/84+84/49