Answers

Add 27/54 and 75/40

1^st number: 27/54, 2^nd number: 1 35/40

27/54 + 75/40 is 19/8.

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,
   27/54 = 27 × 20/54 × 20 = 540/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   75/40 = 75 × 27/40 × 27 = 2025/1080
4. Add the two like fractions:
   540/1080 + 2025/1080 = 540 + 2025/1080 = 2565/1080
5. 2565/1080 simplified gives 19/8
6. So, 27/54 + 75/40 = 19/8
   In mixed form: 23/8

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