Answers

Add 63/42 and 81/5

1^st number: 1 21/42, 2^nd number: 16 1/5

63/42 + 81/5 is 177/10.

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,
   81/5 = 81 × 42/5 × 42 = 3402/210
4. Add the two like fractions:
   315/210 + 3402/210 = 315 + 3402/210 = 3717/210
5. 3717/210 simplified gives 177/10
6. So, 63/42 + 81/5 = 177/10
   In mixed form: 177/10

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