Add 18/12 and 6/28
1st number: 1 6/12, 2nd number: 6/28
18/12 + 6/28 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
6/28 = 6 × 3/28 × 3 = 18/84 - Add the two like fractions:
126/84 + 18/84 = 126 + 18/84 = 144/84 - 144/84 simplified gives 12/7
- So, 18/12 + 6/28 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+6/28 18/12+12/28 18/24+6/28 18/12+6/56 54/12+6/28 18/12+18/28 18/36+6/28 18/12+6/84 90/12+6/28 18/12+30/28 18/60+6/28 18/12+42/28 18/84+6/28