Add 12/27 and 42/81
12/27 + 42/81 is 26/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 27 × 3 = 81,
12/27 = 12 × 3/27 × 3 = 36/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
42/81 = 42 × 1/81 × 1 = 42/81 - Add the two like fractions:
36/81 + 42/81 = 36 + 42/81 = 78/81 - 78/81 simplified gives 26/27
- So, 12/27 + 42/81 = 26/27
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