Answers

Add 16/63 and 15/25

16/63 + 15/25 is 269/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 25 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 63 × 25 = 1575,
   16/63 = 16 × 25/63 × 25 = 400/1575
3. Likewise, for the 2nd fraction, since 25 × 63 = 1575,
   15/25 = 15 × 63/25 × 63 = 945/1575
4. Add the two like fractions:
   400/1575 + 945/1575 = 400 + 945/1575 = 1345/1575
5. 1345/1575 simplified gives 269/315
6. So, 16/63 + 15/25 = 269/315

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