Add 28/12 and 56/49, Solve 2 4/12 + 1 7/49 as a fraction

Add 28/12 and 56/49

1^st number: 2 4/12, 2^nd number: 1 7/49

28/12 + 56/49 is 73/21.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
28/12 = 28 × 49/12 × 49 = 1372/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
56/49 = 56 × 12/49 × 12 = 672/588
Add the two like fractions:
1372/588 + 672/588 = 1372 + 672/588 = 2044/588
2044/588 simplified gives 73/21
So, 28/12 + 56/49 = 73/21
In mixed form: 310/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad