Answers

Add 84/42 and 15/48

1^st number: 2 0/42, 2^nd number: 15/48

84/42 + 15/48 is 37/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 42 × 8 = 336,
   84/42 = 84 × 8/42 × 8 = 672/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   15/48 = 15 × 7/48 × 7 = 105/336
4. Add the two like fractions:
   672/336 + 105/336 = 672 + 105/336 = 777/336
5. 777/336 simplified gives 37/16
6. So, 84/42 + 15/48 = 37/16
   In mixed form: 25/16

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