Add 20/6 and 4/84, Solve 3 2/6 + 4/84 as a fraction

Add 20/6 and 4/84

1^st number: 3 2/6, 2^nd number: 4/84

20/6 + 4/84 is 71/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 6 × 14 = 84,
20/6 = 20 × 14/6 × 14 = 280/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84
Add the two like fractions:
280/84 + 4/84 = 280 + 4/84 = 284/84
284/84 simplified gives 71/21
So, 20/6 + 4/84 = 71/21
In mixed form: 38/21

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