Add 48/84 and 27/81
48/84 + 27/81 is 19/21.
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,
48/84 = 48 × 27/84 × 27 = 1296/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
27/81 = 27 × 28/81 × 28 = 756/2268 - Add the two like fractions:
1296/2268 + 756/2268 = 1296 + 756/2268 = 2052/2268 - 2052/2268 simplified gives 19/21
- So, 48/84 + 27/81 = 19/21
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