Answers

Add 96/21 and 9/7

1^st number: 4 12/21, 2^nd number: 1 2/7

96/21 + 9/7 is 41/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 7 is 21
   
   Next, find the equivalent fraction of both fractional numbers with denominator 21
2. For the 1st fraction, since 21 × 1 = 21,
   96/21 = 96 × 1/21 × 1 = 96/21
3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
   9/7 = 9 × 3/7 × 3 = 27/21
4. Add the two like fractions:
   96/21 + 27/21 = 96 + 27/21 = 123/21
5. 123/21 simplified gives 41/7
6. So, 96/21 + 9/7 = 41/7
   In mixed form: 56/7

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