Add 81/27 and 30/63, Solve 3 0/27 + 30/63 as a fraction

Add 81/27 and 30/63

1^st number: 3 0/27, 2^nd number: 30/63

81/27 + 30/63 is 73/21.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
81/27 = 81 × 7/27 × 7 = 567/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
30/63 = 30 × 3/63 × 3 = 90/189
Add the two like fractions:
567/189 + 90/189 = 567 + 90/189 = 657/189
657/189 simplified gives 73/21
So, 81/27 + 30/63 = 73/21
In mixed form: 310/21

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