Answers

Add 81/5 and 56/63

1^st number: 16 1/5, 2^nd number: 56/63

81/5 + 56/63 is 769/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 5 × 63 = 315,
   81/5 = 81 × 63/5 × 63 = 5103/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   56/63 = 56 × 5/63 × 5 = 280/315
4. Add the two like fractions:
   5103/315 + 280/315 = 5103 + 280/315 = 5383/315
5. 5383/315 simplified gives 769/45
6. So, 81/5 + 56/63 = 769/45
   In mixed form: 174/45

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