Add 30/12 and 63/28, Solve 2 6/12 + 2 7/28 as a fraction

Add 30/12 and 63/28

1^st number: 2 6/12, 2^nd number: 2 7/28

30/12 + 63/28 is 19/4.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 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 28 × 3 = 84,
63/28 = 63 × 3/28 × 3 = 189/84
Add the two like fractions:
210/84 + 189/84 = 210 + 189/84 = 399/84
399/84 simplified gives 19/4
So, 30/12 + 63/28 = 19/4
In mixed form: 43/4

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