Add 5/21 and 6/4, Solve 5/21 + 1 2/4 as a fraction

Add 5/21 and 6/4

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

5/21 + 6/4 is 73/42.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
5/21 = 5 × 4/21 × 4 = 20/84
Likewise, for the 2nd fraction, since 4 × 21 = 84,
6/4 = 6 × 21/4 × 21 = 126/84
Add the two like fractions:
20/84 + 126/84 = 20 + 126/84 = 146/84
146/84 simplified gives 73/42
So, 5/21 + 6/4 = 73/42
In mixed form: 131/42

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