Add 63/12 and 20/30, Solve 5 3/12 + 20/30 as a fraction

Add 63/12 and 20/30

1^st number: 5 3/12, 2^nd number: 20/30

63/12 + 20/30 is 71/12.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60
Likewise, for the 2nd fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60
Add the two like fractions:
315/60 + 40/60 = 315 + 40/60 = 355/60
355/60 simplified gives 71/12
So, 63/12 + 20/30 = 71/12
In mixed form: 511/12

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