Answers

Add 63/42 and 45/5

1^st number: 1 21/42, 2^nd number: 9 0/5

63/42 + 45/5 is 21/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 5 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 5 × 42 = 210,
   45/5 = 45 × 42/5 × 42 = 1890/210
4. Add the two like fractions:
   315/210 + 1890/210 = 315 + 1890/210 = 2205/210
5. 2205/210 simplified gives 21/2
6. So, 63/42 + 45/5 = 21/2
   In mixed form: 101/2

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