Add 12/4 and 28/12
1st number: 3 0/4, 2nd number: 2 4/12
12/4 + 28/12 is 16/3.
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,
12/4 = 12 × 3/4 × 3 = 36/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
28/12 = 28 × 1/12 × 1 = 28/12 - Add the two like fractions:
36/12 + 28/12 = 36 + 28/12 = 64/12 - 64/12 simplified gives 16/3
- So, 12/4 + 28/12 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+28/12 12/4+56/12 12/8+28/12 12/4+28/24 36/4+28/12 12/4+84/12 12/4+28/36 60/4+28/12 12/20+28/12 12/4+28/60 84/4+28/12 12/28+28/12 12/4+28/84