Answers

Add 96/21 and 49/72

1^st number: 4 12/21, 2^nd number: 49/72

96/21 + 49/72 is 2647/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 21 × 24 = 504,
   96/21 = 96 × 24/21 × 24 = 2304/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   49/72 = 49 × 7/72 × 7 = 343/504
4. Add the two like fractions:
   2304/504 + 343/504 = 2304 + 343/504 = 2647/504
5. So, 96/21 + 49/72 = 2647/504
   In mixed form: 5127/504

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