Answers

Add 63/60 and 42/5

1^st number: 1 3/60, 2^nd number: 8 2/5

63/60 + 42/5 is 189/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 5 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   63/60 = 63 × 1/60 × 1 = 63/60
3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
   42/5 = 42 × 12/5 × 12 = 504/60
4. Add the two like fractions:
   63/60 + 504/60 = 63 + 504/60 = 567/60
5. 567/60 simplified gives 189/20
6. So, 63/60 + 42/5 = 189/20
   In mixed form: 99/20

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