Answers

Add 80/63 and 25/15

1^st number: 1 17/63, 2^nd number: 1 10/15

80/63 + 25/15 is 185/63.

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,
   80/63 = 80 × 5/63 × 5 = 400/315
3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
   25/15 = 25 × 21/15 × 21 = 525/315
4. Add the two like fractions:
   400/315 + 525/315 = 400 + 525/315 = 925/315
5. 925/315 simplified gives 185/63
6. So, 80/63 + 25/15 = 185/63
   In mixed form: 259/63

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