Add 36/84 and 15/81
36/84 + 15/81 is 116/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
36/84 = 36 × 27/84 × 27 = 972/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
15/81 = 15 × 28/81 × 28 = 420/2268 - Add the two like fractions:
972/2268 + 420/2268 = 972 + 420/2268 = 1392/2268 - 1392/2268 simplified gives 116/189
- So, 36/84 + 15/81 = 116/189
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