Add 18/45 and 2/81
18/45 + 2/81 is 172/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
18/45 = 18 × 9/45 × 9 = 162/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
2/81 = 2 × 5/81 × 5 = 10/405 - Add the two like fractions:
162/405 + 10/405 = 162 + 10/405 = 172/405 - So, 18/45 + 2/81 = 172/405
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