Add 28/12 and 18/8
1st number: 2 4/12, 2nd number: 2 2/8
28/12 + 18/8 is 55/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
28/12 = 28 × 2/12 × 2 = 56/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
18/8 = 18 × 3/8 × 3 = 54/24 - Add the two like fractions:
56/24 + 54/24 = 56 + 54/24 = 110/24 - 110/24 simplified gives 55/12
- So, 28/12 + 18/8 = 55/12
In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+18/8 28/12+36/8 28/24+18/8 28/12+18/16 84/12+18/8 28/12+54/8 28/36+18/8 28/12+18/24 28/12+90/8 28/60+18/8 28/12+18/40 28/84+18/8 28/12+18/56