Add 84/21 and 4/5, Solve 4 0/21 + 4/5 as a fraction

Add 84/21 and 4/5

1^st number: 4 0/21, 2^nd number: 4/5

84/21 + 4/5 is 24/5.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
84/21 = 84 × 5/21 × 5 = 420/105
Likewise, for the 2nd fraction, since 5 × 21 = 105,
4/5 = 4 × 21/5 × 21 = 84/105
Add the two like fractions:
420/105 + 84/105 = 420 + 84/105 = 504/105
504/105 simplified gives 24/5
So, 84/21 + 4/5 = 24/5
In mixed form: 44/5

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