Add 25/8 and 18/84, Solve 3 1/8 + 18/84 as a fraction

Add 25/8 and 18/84

1^st number: 3 1/8, 2^nd number: 18/84

25/8 + 18/84 is 187/56.

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,
25/8 = 25 × 21/8 × 21 = 525/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
18/84 = 18 × 2/84 × 2 = 36/168
Add the two like fractions:
525/168 + 36/168 = 525 + 36/168 = 561/168
561/168 simplified gives 187/56
So, 25/8 + 18/84 = 187/56
In mixed form: 319/56

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