Answers

Add 8/63 and 25/30

8/63 + 25/30 is 121/126.

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,
   8/63 = 8 × 10/63 × 10 = 80/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   25/30 = 25 × 21/30 × 21 = 525/630
4. Add the two like fractions:
   80/630 + 525/630 = 80 + 525/630 = 605/630
5. 605/630 simplified gives 121/126
6. So, 8/63 + 25/30 = 121/126

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