Add 84/18 and 12/24, Solve 4 12/18 + 12/24 as a fraction

Add 84/18 and 12/24

1^st number: 4 12/18, 2^nd number: 12/24

84/18 + 12/24 is 31/6.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 18 × 4 = 72,
84/18 = 84 × 4/18 × 4 = 336/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
12/24 = 12 × 3/24 × 3 = 36/72
Add the two like fractions:
336/72 + 36/72 = 336 + 36/72 = 372/72
372/72 simplified gives 31/6
So, 84/18 + 12/24 = 31/6
In mixed form: 51/6

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