Answers

Add 10/84 and 63/42

1^st number: 10/84, 2^nd number: 1 21/42

10/84 + 63/42 is 34/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   10/84 = 10 × 1/84 × 1 = 10/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   63/42 = 63 × 2/42 × 2 = 126/84
4. Add the two like fractions:
   10/84 + 126/84 = 10 + 126/84 = 136/84
5. 136/84 simplified gives 34/21
6. So, 10/84 + 63/42 = 34/21
   In mixed form: 113/21

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