Answers

Add 12/96 and 84/21

1^st number: 12/96, 2^nd number: 4 0/21

12/96 + 84/21 is 33/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 21 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 96 × 7 = 672,
   12/96 = 12 × 7/96 × 7 = 84/672
3. Likewise, for the 2nd fraction, since 21 × 32 = 672,
   84/21 = 84 × 32/21 × 32 = 2688/672
4. Add the two like fractions:
   84/672 + 2688/672 = 84 + 2688/672 = 2772/672
5. 2772/672 simplified gives 33/8
6. So, 12/96 + 84/21 = 33/8
   In mixed form: 41/8

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