Add 54/63 and 30/81
54/63 + 30/81 is 232/189.
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,
30/81 = 30 × 7/81 × 7 = 210/567 - Add the two like fractions:
486/567 + 210/567 = 486 + 210/567 = 696/567 - 696/567 simplified gives 232/189
- So, 54/63 + 30/81 = 232/189
In mixed form: 143/189
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