Answers

Add 90/14 and 45/24

1^st number: 6 6/14, 2^nd number: 1 21/24

90/14 + 45/24 is 465/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 14 × 12 = 168,
   90/14 = 90 × 12/14 × 12 = 1080/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   45/24 = 45 × 7/24 × 7 = 315/168
4. Add the two like fractions:
   1080/168 + 315/168 = 1080 + 315/168 = 1395/168
5. 1395/168 simplified gives 465/56
6. So, 90/14 + 45/24 = 465/56
   In mixed form: 817/56

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