Add 28/49 and 49/56
28/49 + 49/56 is 81/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
28/49 = 28 × 8/49 × 8 = 224/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
49/56 = 49 × 7/56 × 7 = 343/392 - Add the two like fractions:
224/392 + 343/392 = 224 + 343/392 = 567/392 - 567/392 simplified gives 81/56
- So, 28/49 + 49/56 = 81/56
In mixed form: 125/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49+49/56 28/49+98/56 28/98+49/56 84/49+49/56