Add 30/81 and 8/15
30/81 + 8/15 is 122/135.
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,
30/81 = 30 × 5/81 × 5 = 150/405 - Likewise, for the 2nd fraction, since 15 × 27 = 405,
8/15 = 8 × 27/15 × 27 = 216/405 - Add the two like fractions:
150/405 + 216/405 = 150 + 216/405 = 366/405 - 366/405 simplified gives 122/135
- So, 30/81 + 8/15 = 122/135
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