Add 28/84 and 30/14
1st number: 28/84, 2nd number: 2 2/14
28/84 + 30/14 is 52/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 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 14 × 6 = 84,
30/14 = 30 × 6/14 × 6 = 180/84 - Add the two like fractions:
28/84 + 180/84 = 28 + 180/84 = 208/84 - 208/84 simplified gives 52/21
- So, 28/84 + 30/14 = 52/21
In mixed form: 210/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+30/14 28/84+60/14 28/84+30/28 28/84+90/14 28/84+30/42 28/84+30/70 28/84+30/98