Add 84/21 and 27/36, Solve 4 0/21 + 27/36 as a fraction

Add 84/21 and 27/36

1^st number: 4 0/21, 2^nd number: 27/36

84/21 + 27/36 is 19/4.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 21 × 12 = 252,
84/21 = 84 × 12/21 × 12 = 1008/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
27/36 = 27 × 7/36 × 7 = 189/252
Add the two like fractions:
1008/252 + 189/252 = 1008 + 189/252 = 1197/252
1197/252 simplified gives 19/4
So, 84/21 + 27/36 = 19/4
In mixed form: 43/4

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