Add 12/14 and 70/18, Solve 12/14 + 3 16/18 as a fraction

Add 12/14 and 70/18

1^st number: 12/14, 2^nd number: 3 16/18

12/14 + 70/18 is 299/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
12/14 = 12 × 9/14 × 9 = 108/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
70/18 = 70 × 7/18 × 7 = 490/126
Add the two like fractions:
108/126 + 490/126 = 108 + 490/126 = 598/126
598/126 simplified gives 299/63
So, 12/14 + 70/18 = 299/63
In mixed form: 447/63

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