Answers

Add 40/42 and 84/48

1^st number: 40/42, 2^nd number: 1 36/48

40/42 + 84/48 is 227/84.

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,
   40/42 = 40 × 8/42 × 8 = 320/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   84/48 = 84 × 7/48 × 7 = 588/336
4. Add the two like fractions:
   320/336 + 588/336 = 320 + 588/336 = 908/336
5. 908/336 simplified gives 227/84
6. So, 40/42 + 84/48 = 227/84
   In mixed form: 259/84

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