Add 63/21 and 21/14, Solve 3 0/21 + 1 7/14 as a fraction

Add 63/21 and 21/14

1^st number: 3 0/21, 2^nd number: 1 7/14

63/21 + 21/14 is 9/2.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
63/21 = 63 × 2/21 × 2 = 126/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42
Add the two like fractions:
126/42 + 63/42 = 126 + 63/42 = 189/42
189/42 simplified gives 9/2
So, 63/21 + 21/14 = 9/2
In mixed form: 41/2

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