Add 63/27 and 21/7, Solve 2 9/27 + 3 0/7 as a fraction

Add 63/27 and 21/7

1^st number: 2 9/27, 2^nd number: 3 0/7

63/27 + 21/7 is 16/3.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
63/27 = 63 × 7/27 × 7 = 441/189
Likewise, for the 2nd fraction, since 7 × 27 = 189,
21/7 = 21 × 27/7 × 27 = 567/189
Add the two like fractions:
441/189 + 567/189 = 441 + 567/189 = 1008/189
1008/189 simplified gives 16/3
So, 63/27 + 21/7 = 16/3
In mixed form: 51/3

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