Add 18/28 and 12/9, Solve 18/28 + 1 3/9 as a fraction

Add 18/28 and 12/9

1^st number: 18/28, 2^nd number: 1 3/9

18/28 + 12/9 is 83/42.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
12/9 = 12 × 28/9 × 28 = 336/252
Add the two like fractions:
162/252 + 336/252 = 162 + 336/252 = 498/252
498/252 simplified gives 83/42
So, 18/28 + 12/9 = 83/42
In mixed form: 141/42

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