Answers

Add 45/15 and 60/63

1^st number: 3 0/15, 2^nd number: 60/63

45/15 + 60/63 is 83/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 15 × 21 = 315,
   45/15 = 45 × 21/15 × 21 = 945/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   60/63 = 60 × 5/63 × 5 = 300/315
4. Add the two like fractions:
   945/315 + 300/315 = 945 + 300/315 = 1245/315
5. 1245/315 simplified gives 83/21
6. So, 45/15 + 60/63 = 83/21
   In mixed form: 320/21

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