Answers

Add 75/9 and 54/8

1^st number: 8 3/9, 2^nd number: 6 6/8

75/9 + 54/8 is 181/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 9 × 8 = 72,
   75/9 = 75 × 8/9 × 8 = 600/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   54/8 = 54 × 9/8 × 9 = 486/72
4. Add the two like fractions:
   600/72 + 486/72 = 600 + 486/72 = 1086/72
5. 1086/72 simplified gives 181/12
6. So, 75/9 + 54/8 = 181/12
   In mixed form: 151/12

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