Add 15/63 and 12/81
15/63 + 12/81 is 73/189.
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,
15/63 = 15 × 9/63 × 9 = 135/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
12/81 = 12 × 7/81 × 7 = 84/567 - Add the two like fractions:
135/567 + 84/567 = 135 + 84/567 = 219/567 - 219/567 simplified gives 73/189
- So, 15/63 + 12/81 = 73/189
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