Add 28/42 and 56/98
28/42 + 56/98 is 26/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 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 98 × 3 = 294,
56/98 = 56 × 3/98 × 3 = 168/294 - Add the two like fractions:
196/294 + 168/294 = 196 + 168/294 = 364/294 - 364/294 simplified gives 26/21
- So, 28/42 + 56/98 = 26/21
In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+56/98 28/84+56/98 84/42+56/98