Add 18/8 and 5/84, Solve 2 2/8 + 5/84 as a fraction

Add 18/8 and 5/84

1^st number: 2 2/8, 2^nd number: 5/84

18/8 + 5/84 is 97/42.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
18/8 = 18 × 21/8 × 21 = 378/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
5/84 = 5 × 2/84 × 2 = 10/168
Add the two like fractions:
378/168 + 10/168 = 378 + 10/168 = 388/168
388/168 simplified gives 97/42
So, 18/8 + 5/84 = 97/42
In mixed form: 213/42

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