Add 54/63 and 84/81
1st number: 54/63, 2nd number: 1 3/81
54/63 + 84/81 is 358/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
54/63 = 54 × 9/63 × 9 = 486/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
84/81 = 84 × 7/81 × 7 = 588/567 - Add the two like fractions:
486/567 + 588/567 = 486 + 588/567 = 1074/567 - 1074/567 simplified gives 358/189
- So, 54/63 + 84/81 = 358/189
In mixed form: 1169/189
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