Add 20/5 and 18/84, Solve 4 0/5 + 18/84 as a fraction

Add 20/5 and 18/84

1^st number: 4 0/5, 2^nd number: 18/84

20/5 + 18/84 is 59/14.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 5 × 84 = 420,
20/5 = 20 × 84/5 × 84 = 1680/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420
Add the two like fractions:
1680/420 + 90/420 = 1680 + 90/420 = 1770/420
1770/420 simplified gives 59/14
So, 20/5 + 18/84 = 59/14
In mixed form: 43/14

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