Add 5/81 and 28/9
1st number: 5/81, 2nd number: 3 1/9
5/81 + 28/9 is 257/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
5/81 = 5 × 1/81 × 1 = 5/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
28/9 = 28 × 9/9 × 9 = 252/81 - Add the two like fractions:
5/81 + 252/81 = 5 + 252/81 = 257/81 - So, 5/81 + 28/9 = 257/81
In mixed form: 314/81
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