Add 5/81 and 21/6
1st number: 5/81, 2nd number: 3 3/6
5/81 + 21/6 is 577/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
5/81 = 5 × 2/81 × 2 = 10/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
21/6 = 21 × 27/6 × 27 = 567/162 - Add the two like fractions:
10/162 + 567/162 = 10 + 567/162 = 577/162 - So, 5/81 + 21/6 = 577/162
In mixed form: 391/162
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