Add 1/84 and 27/4, Solve 1/84 + 6 3/4 as a fraction

Add 1/84 and 27/4

1^st number: 1/84, 2^nd number: 6 3/4

1/84 + 27/4 is 142/21.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 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 4 × 21 = 84,
27/4 = 27 × 21/4 × 21 = 567/84
Add the two like fractions:
1/84 + 567/84 = 1 + 567/84 = 568/84
568/84 simplified gives 142/21
So, 1/84 + 27/4 = 142/21
In mixed form: 616/21

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