Add 63/21 and 20/36, Solve 3 0/21 + 20/36 as a fraction

Add 63/21 and 20/36

1^st number: 3 0/21, 2^nd number: 20/36

63/21 + 20/36 is 32/9.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 21 × 12 = 252,
63/21 = 63 × 12/21 × 12 = 756/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252
Add the two like fractions:
756/252 + 140/252 = 756 + 140/252 = 896/252
896/252 simplified gives 32/9
So, 63/21 + 20/36 = 32/9
In mixed form: 35/9

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