Answers

Add 5/60 and 45/63

5/60 + 45/63 is 67/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   5/60 = 5 × 21/60 × 21 = 105/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   45/63 = 45 × 20/63 × 20 = 900/1260
4. Add the two like fractions:
   105/1260 + 900/1260 = 105 + 900/1260 = 1005/1260
5. 1005/1260 simplified gives 67/84
6. So, 5/60 + 45/63 = 67/84

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