Answers

Add 6/54 and 75/40

1^st number: 6/54, 2^nd number: 1 35/40

6/54 + 75/40 is 143/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 54 × 20 = 1080,
   6/54 = 6 × 20/54 × 20 = 120/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   75/40 = 75 × 27/40 × 27 = 2025/1080
4. Add the two like fractions:
   120/1080 + 2025/1080 = 120 + 2025/1080 = 2145/1080
5. 2145/1080 simplified gives 143/72
6. So, 6/54 + 75/40 = 143/72
   In mixed form: 171/72

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