Add 63/21 and 18/27, Solve 3 0/21 + 18/27 as a fraction

Add 63/21 and 18/27

1^st number: 3 0/21, 2^nd number: 18/27

63/21 + 18/27 is 11/3.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 21 × 9 = 189,
63/21 = 63 × 9/21 × 9 = 567/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
18/27 = 18 × 7/27 × 7 = 126/189
Add the two like fractions:
567/189 + 126/189 = 567 + 126/189 = 693/189
693/189 simplified gives 11/3
So, 63/21 + 18/27 = 11/3
In mixed form: 32/3

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