Answers

Add 8/63 and 7/15

8/63 + 7/15 is 187/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 15 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   8/63 = 8 × 5/63 × 5 = 40/315
3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
   7/15 = 7 × 21/15 × 21 = 147/315
4. Add the two like fractions:
   40/315 + 147/315 = 40 + 147/315 = 187/315
5. So, 8/63 + 7/15 = 187/315

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