Add 21/6 and 36/63, Solve 3 3/6 + 36/63 as a fraction

Add 21/6 and 36/63

1^st number: 3 3/6, 2^nd number: 36/63

21/6 + 36/63 is 57/14.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
21/6 = 21 × 21/6 × 21 = 441/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
36/63 = 36 × 2/63 × 2 = 72/126
Add the two like fractions:
441/126 + 72/126 = 441 + 72/126 = 513/126
513/126 simplified gives 57/14
So, 21/6 + 36/63 = 57/14
In mixed form: 41/14

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