Add 5/81 and 20/18
1st number: 5/81, 2nd number: 1 2/18
5/81 + 20/18 is 95/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 18 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 18 × 9 = 162,
20/18 = 20 × 9/18 × 9 = 180/162 - Add the two like fractions:
10/162 + 180/162 = 10 + 180/162 = 190/162 - 190/162 simplified gives 95/81
- So, 5/81 + 20/18 = 95/81
In mixed form: 114/81
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