Answers

Add 48/42 and 30/15

1^st number: 1 6/42, 2^nd number: 2 0/15

48/42 + 30/15 is 22/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 15 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   48/42 = 48 × 5/42 × 5 = 240/210
3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
   30/15 = 30 × 14/15 × 14 = 420/210
4. Add the two like fractions:
   240/210 + 420/210 = 240 + 420/210 = 660/210
5. 660/210 simplified gives 22/7
6. So, 48/42 + 30/15 = 22/7
   In mixed form: 31/7

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