Add 18/12 and 49/18
1st number: 1 6/12, 2nd number: 2 13/18
18/12 + 49/18 is 38/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
18/12 = 18 × 3/12 × 3 = 54/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
49/18 = 49 × 2/18 × 2 = 98/36 - Add the two like fractions:
54/36 + 98/36 = 54 + 98/36 = 152/36 - 152/36 simplified gives 38/9
- So, 18/12 + 49/18 = 38/9
In mixed form: 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+49/18 18/12+98/18 18/24+49/18 18/12+49/36 54/12+49/18 18/36+49/18 18/12+49/54 90/12+49/18 18/60+49/18 18/12+49/90 18/84+49/18