Add 1/84 and 18/7, Solve 1/84 + 2 4/7 as a fraction

Add 1/84 and 18/7

1^st number: 1/84, 2^nd number: 2 4/7

1/84 + 18/7 is 31/12.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 84 × 1 = 84,
1/84 = 1 × 1/84 × 1 = 1/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
18/7 = 18 × 12/7 × 12 = 216/84
Add the two like fractions:
1/84 + 216/84 = 1 + 216/84 = 217/84
217/84 simplified gives 31/12
So, 1/84 + 18/7 = 31/12
In mixed form: 27/12

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