Add 28/84 and 49/12
1st number: 28/84, 2nd number: 4 1/12
28/84 + 49/12 is 53/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
28/84 = 28 × 1/84 × 1 = 28/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
49/12 = 49 × 7/12 × 7 = 343/84 - Add the two like fractions:
28/84 + 343/84 = 28 + 343/84 = 371/84 - 371/84 simplified gives 53/12
- So, 28/84 + 49/12 = 53/12
In mixed form: 45/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+49/12 28/84+98/12 28/84+49/24 28/84+49/36 28/84+49/60 28/84+49/84