Add 18/4 and 28/12
1st number: 4 2/4, 2nd number: 2 4/12
18/4 + 28/12 is 41/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
18/4 = 18 × 3/4 × 3 = 54/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
28/12 = 28 × 1/12 × 1 = 28/12 - Add the two like fractions:
54/12 + 28/12 = 54 + 28/12 = 82/12 - 82/12 simplified gives 41/6
- So, 18/4 + 28/12 = 41/6
In mixed form: 65/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+28/12 18/4+56/12 18/8+28/12 18/4+28/24 54/4+28/12 18/4+84/12 18/12+28/12 18/4+28/36 90/4+28/12 18/20+28/12 18/4+28/60 18/28+28/12 18/4+28/84