Answers

Add 10/4 and 63/21

1^st number: 2 2/4, 2^nd number: 3 0/21

10/4 + 63/21 is 11/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   10/4 = 10 × 21/4 × 21 = 210/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   63/21 = 63 × 4/21 × 4 = 252/84
4. Add the two like fractions:
   210/84 + 252/84 = 210 + 252/84 = 462/84
5. 462/84 simplified gives 11/2
6. So, 10/4 + 63/21 = 11/2
   In mixed form: 51/2

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