Add 20/5 and 7/84, Solve 4 0/5 + 7/84 as a fraction

Add 20/5 and 7/84

1^st number: 4 0/5, 2^nd number: 7/84

20/5 + 7/84 is 49/12.

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,
7/84 = 7 × 5/84 × 5 = 35/420
Add the two like fractions:
1680/420 + 35/420 = 1680 + 35/420 = 1715/420
1715/420 simplified gives 49/12
So, 20/5 + 7/84 = 49/12
In mixed form: 41/12

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