Add 3/12 and 18/14, Solve 3/12 + 1 4/14 as a fraction

Add 3/12 and 18/14

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

3/12 + 18/14 is 43/28.

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,
3/12 = 3 × 7/12 × 7 = 21/84
Likewise, for the 2nd fraction, since 14 × 6 = 84,
18/14 = 18 × 6/14 × 6 = 108/84
Add the two like fractions:
21/84 + 108/84 = 21 + 108/84 = 129/84
129/84 simplified gives 43/28
So, 3/12 + 18/14 = 43/28
In mixed form: 115/28

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