Add 81/27 and 9/7
1st number: 3 0/27, 2nd number: 1 2/7
81/27 + 9/7 is 30/7.
Steps for adding fractions
- 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,
81/27 = 81 × 7/27 × 7 = 567/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
9/7 = 9 × 27/7 × 27 = 243/189 - Add the two like fractions:
567/189 + 243/189 = 567 + 243/189 = 810/189 - 810/189 simplified gives 30/7
- So, 81/27 + 9/7 = 30/7
In mixed form: 42/7
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