Answers

Add 30/63 and 18/60

30/63 + 18/60 is 163/210.

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,
   30/63 = 30 × 20/63 × 20 = 600/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   18/60 = 18 × 21/60 × 21 = 378/1260
4. Add the two like fractions:
   600/1260 + 378/1260 = 600 + 378/1260 = 978/1260
5. 978/1260 simplified gives 163/210
6. So, 30/63 + 18/60 = 163/210

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