Add 63/21 and 27/72, Solve 3 0/21 + 27/72 as a fraction

Add 63/21 and 27/72

1^st number: 3 0/21, 2^nd number: 27/72

63/21 + 27/72 is 27/8.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 21 × 24 = 504,
63/21 = 63 × 24/21 × 24 = 1512/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504
Add the two like fractions:
1512/504 + 189/504 = 1512 + 189/504 = 1701/504
1701/504 simplified gives 27/8
So, 63/21 + 27/72 = 27/8
In mixed form: 33/8

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