Add 7/14 and 84/18, Solve 7/14 + 4 12/18 as a fraction

Add 7/14 and 84/18

1^st number: 7/14, 2^nd number: 4 12/18

7/14 + 84/18 is 31/6.

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,
7/14 = 7 × 9/14 × 9 = 63/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126
Add the two like fractions:
63/126 + 588/126 = 63 + 588/126 = 651/126
651/126 simplified gives 31/6
So, 7/14 + 84/18 = 31/6
In mixed form: 51/6

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