Answers

Add 21/63 and 45/5

1^st number: 21/63, 2^nd number: 9 0/5

21/63 + 45/5 is 28/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 5 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   21/63 = 21 × 5/63 × 5 = 105/315
3. Likewise, for the 2nd fraction, since 5 × 63 = 315,
   45/5 = 45 × 63/5 × 63 = 2835/315
4. Add the two like fractions:
   105/315 + 2835/315 = 105 + 2835/315 = 2940/315
5. 2940/315 simplified gives 28/3
6. So, 21/63 + 45/5 = 28/3
   In mixed form: 91/3

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