Add 84/18 and 3/4, Solve 4 12/18 + 3/4 as a fraction

Add 84/18 and 3/4

1^st number: 4 12/18, 2^nd number: 3/4

84/18 + 3/4 is 65/12.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
84/18 = 84 × 2/18 × 2 = 168/36
Likewise, for the 2nd fraction, since 4 × 9 = 36,
3/4 = 3 × 9/4 × 9 = 27/36
Add the two like fractions:
168/36 + 27/36 = 168 + 27/36 = 195/36
195/36 simplified gives 65/12
So, 84/18 + 3/4 = 65/12
In mixed form: 55/12

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