Add 30/6 and 21/28
1st number: 5 0/6, 2nd number: 21/28
30/6 + 21/28 is 23/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
30/6 = 30 × 14/6 × 14 = 420/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
21/28 = 21 × 3/28 × 3 = 63/84 - Add the two like fractions:
420/84 + 63/84 = 420 + 63/84 = 483/84 - 483/84 simplified gives 23/4
- So, 30/6 + 21/28 = 23/4
In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6+21/28 30/6+42/28 30/12+21/28 30/6+21/56 90/6+21/28 30/6+63/28 30/18+21/28 30/6+21/84 30/42+21/28