Add 28/42 and 84/49
1st number: 28/42, 2nd number: 1 35/49
28/42 + 84/49 is 50/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
28/42 = 28 × 7/42 × 7 = 196/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
84/49 = 84 × 6/49 × 6 = 504/294 - Add the two like fractions:
196/294 + 504/294 = 196 + 504/294 = 700/294 - 700/294 simplified gives 50/21
- So, 28/42 + 84/49 = 50/21
In mixed form: 28/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+84/49 28/84+84/49 28/42+84/98 84/42+84/49