Answers

Add 63/3 and 20/60

1^st number: 21 0/3, 2^nd number: 20/60

63/3 + 20/60 is 64/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 3 × 20 = 60,
   63/3 = 63 × 20/3 × 20 = 1260/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   20/60 = 20 × 1/60 × 1 = 20/60
4. Add the two like fractions:
   1260/60 + 20/60 = 1260 + 20/60 = 1280/60
5. 1280/60 simplified gives 64/3
6. So, 63/3 + 20/60 = 64/3
   In mixed form: 211/3

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