Add 4/9 and 15/81
4/9 + 15/81 is 17/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
4/9 = 4 × 9/9 × 9 = 36/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
15/81 = 15 × 1/81 × 1 = 15/81 - Add the two like fractions:
36/81 + 15/81 = 36 + 15/81 = 51/81 - 51/81 simplified gives 17/27
- So, 4/9 + 15/81 = 17/27
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