Add 18/81 and 20/6
1st number: 18/81, 2nd number: 3 2/6
18/81 + 20/6 is 32/9.
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,
18/81 = 18 × 2/81 × 2 = 36/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
20/6 = 20 × 27/6 × 27 = 540/162 - Add the two like fractions:
36/162 + 540/162 = 36 + 540/162 = 576/162 - 576/162 simplified gives 32/9
- So, 18/81 + 20/6 = 32/9
In mixed form: 35/9
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