Add 5/9 and 40/81
5/9 + 40/81 is 85/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
5/9 = 5 × 9/9 × 9 = 45/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
40/81 = 40 × 1/81 × 1 = 40/81 - Add the two like fractions:
45/81 + 40/81 = 45 + 40/81 = 85/81 - So, 5/9 + 40/81 = 85/81
In mixed form: 14/81
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