Answers

Add 12/63 and 30/60

12/63 + 30/60 is 29/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   12/63 = 12 × 20/63 × 20 = 240/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   30/60 = 30 × 21/60 × 21 = 630/1260
4. Add the two like fractions:
   240/1260 + 630/1260 = 240 + 630/1260 = 870/1260
5. 870/1260 simplified gives 29/42
6. So, 12/63 + 30/60 = 29/42

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