Add 24/12 and 27/42, Solve 2 0/12 + 27/42 as a fraction

Add 24/12 and 27/42

1^st number: 2 0/12, 2^nd number: 27/42

24/12 + 27/42 is 37/14.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
24/12 = 24 × 7/12 × 7 = 168/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
27/42 = 27 × 2/42 × 2 = 54/84
Add the two like fractions:
168/84 + 54/84 = 168 + 54/84 = 222/84
222/84 simplified gives 37/14
So, 24/12 + 27/42 = 37/14
In mixed form: 29/14

MathStep (Works offline)

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