Add 30/12 and 24/7, Solve 2 6/12 + 3 3/7 as a fraction

Add 30/12 and 24/7

1^st number: 2 6/12, 2^nd number: 3 3/7

30/12 + 24/7 is 83/14.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
30/12 = 30 × 7/12 × 7 = 210/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
24/7 = 24 × 12/7 × 12 = 288/84
Add the two like fractions:
210/84 + 288/84 = 210 + 288/84 = 498/84
498/84 simplified gives 83/14
So, 30/12 + 24/7 = 83/14
In mixed form: 513/14

MathStep (Works offline)

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