Add 21/18 and 36/24, Solve 1 3/18 + 1 12/24 as a fraction

Add 21/18 and 36/24

1^st number: 1 3/18, 2^nd number: 1 12/24

21/18 + 36/24 is 8/3.

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,
21/18 = 21 × 4/18 × 4 = 84/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
36/24 = 36 × 3/24 × 3 = 108/72
Add the two like fractions:
84/72 + 108/72 = 84 + 108/72 = 192/72
192/72 simplified gives 8/3
So, 21/18 + 36/24 = 8/3
In mixed form: 22/3

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