Answers

Add 84/28 and 10/42

1^st number: 3 0/28, 2^nd number: 10/42

84/28 + 10/42 is 68/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   84/28 = 84 × 3/28 × 3 = 252/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   10/42 = 10 × 2/42 × 2 = 20/84
4. Add the two like fractions:
   252/84 + 20/84 = 252 + 20/84 = 272/84
5. 272/84 simplified gives 68/21
6. So, 84/28 + 10/42 = 68/21
   In mixed form: 35/21

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