Answers

Add 50/63 and 80/15

1^st number: 50/63, 2^nd number: 5 5/15

50/63 + 80/15 is 386/63.

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,
   50/63 = 50 × 5/63 × 5 = 250/315
3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
   80/15 = 80 × 21/15 × 21 = 1680/315
4. Add the two like fractions:
   250/315 + 1680/315 = 250 + 1680/315 = 1930/315
5. 1930/315 simplified gives 386/63
6. So, 50/63 + 80/15 = 386/63
   In mixed form: 68/63

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