Add 18/12 and 7/63
1st number: 1 6/12, 2nd number: 7/63
18/12 + 7/63 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
18/12 = 18 × 21/12 × 21 = 378/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
7/63 = 7 × 4/63 × 4 = 28/252 - Add the two like fractions:
378/252 + 28/252 = 378 + 28/252 = 406/252 - 406/252 simplified gives 29/18
- So, 18/12 + 7/63 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+7/63 18/12+14/63 18/24+7/63 54/12+7/63 18/12+21/63 18/36+7/63 90/12+7/63 18/12+35/63 18/60+7/63 18/12+49/63 18/84+7/63