Add 72/12 and 7/49
1st number: 6 0/12, 2nd number: 7/49
72/12 + 7/49 is 43/7.
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,
72/12 = 72 × 49/12 × 49 = 3528/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
7/49 = 7 × 12/49 × 12 = 84/588 - Add the two like fractions:
3528/588 + 84/588 = 3528 + 84/588 = 3612/588 - 3612/588 simplified gives 43/7
- So, 72/12 + 7/49 = 43/7
In mixed form: 61/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+14/49 72/24+7/49 72/12+7/98 72/12+21/49 72/36+7/49 72/12+35/49 72/60+7/49 72/84+7/49