Add 63/3 and 4/80, Solve 21 0/3 + 4/80 as a fraction

Add 63/3 and 4/80

1^st number: 21 0/3, 2^nd number: 4/80

63/3 + 4/80 is 421/20.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 3 × 80 = 240,
63/3 = 63 × 80/3 × 80 = 5040/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240
Add the two like fractions:
5040/240 + 12/240 = 5040 + 12/240 = 5052/240
5052/240 simplified gives 421/20
So, 63/3 + 4/80 = 421/20
In mixed form: 211/20

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