Add 30/28 and 6/12
1st number: 1 2/28, 2nd number: 6/12
30/28 + 6/12 is 11/7.
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,
30/28 = 30 × 3/28 × 3 = 90/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
6/12 = 6 × 7/12 × 7 = 42/84 - Add the two like fractions:
90/84 + 42/84 = 90 + 42/84 = 132/84 - 132/84 simplified gives 11/7
- So, 30/28 + 6/12 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+6/12 30/56+6/12 30/28+6/24 90/28+6/12 30/28+18/12 30/84+6/12 30/28+6/36 30/28+30/12 30/28+6/60 30/28+42/12 30/28+6/84