Add 12/81 and 28/84
12/81 + 28/84 is 13/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 84 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 81 × 28 = 2268,
12/81 = 12 × 28/81 × 28 = 336/2268 - Likewise, for the 2nd fraction, since 84 × 27 = 2268,
28/84 = 28 × 27/84 × 27 = 756/2268 - Add the two like fractions:
336/2268 + 756/2268 = 336 + 756/2268 = 1092/2268 - 1092/2268 simplified gives 13/27
- So, 12/81 + 28/84 = 13/27
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