Add 21/6 and 35/81, Solve 3 3/6 + 35/81 as a fraction

Add 21/6 and 35/81

1^st number: 3 3/6, 2^nd number: 35/81

21/6 + 35/81 is 637/162.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162

Next, find the equivalent fraction of both fractional numbers with denominator 162
For the 1st fraction, since 6 × 27 = 162,
21/6 = 21 × 27/6 × 27 = 567/162
Likewise, for the 2nd fraction, since 81 × 2 = 162,
35/81 = 35 × 2/81 × 2 = 70/162
Add the two like fractions:
567/162 + 70/162 = 567 + 70/162 = 637/162
So, 21/6 + 35/81 = 637/162
In mixed form: 3151/162

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