Answers

Add 63/4 and 42/60

1^st number: 15 3/4, 2^nd number: 42/60

63/4 + 42/60 is 329/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 4 × 15 = 60,
   63/4 = 63 × 15/4 × 15 = 945/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   42/60 = 42 × 1/60 × 1 = 42/60
4. Add the two like fractions:
   945/60 + 42/60 = 945 + 42/60 = 987/60
5. 987/60 simplified gives 329/20
6. So, 63/4 + 42/60 = 329/20
   In mixed form: 169/20

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