Add 28/14 and 42/12, Solve 2 0/14 + 3 6/12 as a fraction

Add 28/14 and 42/12

1^st number: 2 0/14, 2^nd number: 3 6/12

28/14 + 42/12 is 11/2.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
28/14 = 28 × 6/14 × 6 = 168/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84
Add the two like fractions:
168/84 + 294/84 = 168 + 294/84 = 462/84
462/84 simplified gives 11/2
So, 28/14 + 42/12 = 11/2
In mixed form: 51/2

MathStep (Works offline)

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