Add 15/81 and 8/27
15/81 + 8/27 is 13/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 27 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
15/81 = 15 × 1/81 × 1 = 15/81 - Likewise, for the 2nd fraction, since 27 × 3 = 81,
8/27 = 8 × 3/27 × 3 = 24/81 - Add the two like fractions:
15/81 + 24/81 = 15 + 24/81 = 39/81 - 39/81 simplified gives 13/27
- So, 15/81 + 8/27 = 13/27
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