Add 4/84 and 20/7, Solve 4/84 + 2 6/7 as a fraction

Add 4/84 and 20/7

1^st number: 4/84, 2^nd number: 2 6/7

4/84 + 20/7 is 61/21.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
20/7 = 20 × 12/7 × 12 = 240/84
Add the two like fractions:
4/84 + 240/84 = 4 + 240/84 = 244/84
244/84 simplified gives 61/21
So, 4/84 + 20/7 = 61/21
In mixed form: 219/21

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