Answers

Add 63/42 and 45/15

1^st number: 1 21/42, 2^nd number: 3 0/15

63/42 + 45/15 is 9/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 15 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   63/42 = 63 × 5/42 × 5 = 315/210
3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
   45/15 = 45 × 14/15 × 14 = 630/210
4. Add the two like fractions:
   315/210 + 630/210 = 315 + 630/210 = 945/210
5. 945/210 simplified gives 9/2
6. So, 63/42 + 45/15 = 9/2
   In mixed form: 41/2

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