Add 81/27 and 42/63
1st number: 3 0/27, 2nd number: 42/63
81/27 + 42/63 is 11/3.
Steps for adding fractions
- 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,
42/63 = 42 × 3/63 × 3 = 126/189 - Add the two like fractions:
567/189 + 126/189 = 567 + 126/189 = 693/189 - 693/189 simplified gives 11/3
- So, 81/27 + 42/63 = 11/3
In mixed form: 32/3
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