Add 8/81 and 9/5
1st number: 8/81, 2nd number: 1 4/5
8/81 + 9/5 is 769/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
8/81 = 8 × 5/81 × 5 = 40/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
9/5 = 9 × 81/5 × 81 = 729/405 - Add the two like fractions:
40/405 + 729/405 = 40 + 729/405 = 769/405 - So, 8/81 + 9/5 = 769/405
In mixed form: 1364/405
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