Add 4/12 and 28/7
1st number: 4/12, 2nd number: 4 0/7
4/12 + 28/7 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
4/12 = 4 × 7/12 × 7 = 28/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
28/7 = 28 × 12/7 × 12 = 336/84 - Add the two like fractions:
28/84 + 336/84 = 28 + 336/84 = 364/84 - 364/84 simplified gives 13/3
- So, 4/12 + 28/7 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+28/7 4/12+56/7 4/24+28/7 4/12+28/14 4/12+84/7 4/36+28/7 4/12+28/21 20/12+28/7 4/60+28/7 4/12+28/35 28/12+28/7 4/84+28/7 4/12+28/49