Answers

Add 96/42 and 21/72

1^st number: 2 12/42, 2^nd number: 21/72

96/42 + 21/72 is 433/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 42 × 12 = 504,
   96/42 = 96 × 12/42 × 12 = 1152/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   21/72 = 21 × 7/72 × 7 = 147/504
4. Add the two like fractions:
   1152/504 + 147/504 = 1152 + 147/504 = 1299/504
5. 1299/504 simplified gives 433/168
6. So, 96/42 + 21/72 = 433/168
   In mixed form: 297/168

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