Answers

Add 42/15 and 30/60

1^st number: 2 12/15, 2^nd number: 30/60

42/15 + 30/60 is 33/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   42/15 = 42 × 4/15 × 4 = 168/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   30/60 = 30 × 1/60 × 1 = 30/60
4. Add the two like fractions:
   168/60 + 30/60 = 168 + 30/60 = 198/60
5. 198/60 simplified gives 33/10
6. So, 42/15 + 30/60 = 33/10
   In mixed form: 33/10

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