Add 15/18 and 12/14, Solve 15/18 + 12/14 as a fraction

Add 15/18 and 12/14

15/18 + 12/14 is 71/42.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
15/18 = 15 × 7/18 × 7 = 105/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
12/14 = 12 × 9/14 × 9 = 108/126
Add the two like fractions:
105/126 + 108/126 = 105 + 108/126 = 213/126
213/126 simplified gives 71/42
So, 15/18 + 12/14 = 71/42
In mixed form: 129/42

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