Add 6/81 and 9/15
6/81 + 9/15 is 91/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 15 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
6/81 = 6 × 5/81 × 5 = 30/405 - Likewise, for the 2nd fraction, since 15 × 27 = 405,
9/15 = 9 × 27/15 × 27 = 243/405 - Add the two like fractions:
30/405 + 243/405 = 30 + 243/405 = 273/405 - 273/405 simplified gives 91/135
- So, 6/81 + 9/15 = 91/135
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