Add 84/28 and 6/12
1st number: 3 0/28, 2nd number: 6/12
84/28 + 6/12 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
84/28 = 84 × 3/28 × 3 = 252/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
6/12 = 6 × 7/12 × 7 = 42/84 - Add the two like fractions:
252/84 + 42/84 = 252 + 42/84 = 294/84 - 294/84 simplified gives 7/2
- So, 84/28 + 6/12 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+6/12 84/28+6/24 84/28+18/12 84/28+6/36 84/28+30/12 84/28+6/60 84/28+42/12 84/28+6/84