Add 5/81 and 84/45
1st number: 5/81, 2nd number: 1 39/45
5/81 + 84/45 is 781/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 45 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
5/81 = 5 × 5/81 × 5 = 25/405 - Likewise, for the 2nd fraction, since 45 × 9 = 405,
84/45 = 84 × 9/45 × 9 = 756/405 - Add the two like fractions:
25/405 + 756/405 = 25 + 756/405 = 781/405 - So, 5/81 + 84/45 = 781/405
In mixed form: 1376/405
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