Answers

Add 6/63 and 15/30

6/63 + 15/30 is 25/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   6/63 = 6 × 10/63 × 10 = 60/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   15/30 = 15 × 21/30 × 21 = 315/630
4. Add the two like fractions:
   60/630 + 315/630 = 60 + 315/630 = 375/630
5. 375/630 simplified gives 25/42
6. So, 6/63 + 15/30 = 25/42

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