Add 28/12 and 50/14, Solve 2 4/12 + 3 8/14 as a fraction

Add 28/12 and 50/14

1^st number: 2 4/12, 2^nd number: 3 8/14

28/12 + 50/14 is 124/21.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
28/12 = 28 × 7/12 × 7 = 196/84
Likewise, for the 2nd fraction, since 14 × 6 = 84,
50/14 = 50 × 6/14 × 6 = 300/84
Add the two like fractions:
196/84 + 300/84 = 196 + 300/84 = 496/84
496/84 simplified gives 124/21
So, 28/12 + 50/14 = 124/21
In mixed form: 519/21

MathStep (Works offline)

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