Answers

Add 75/20 and 80/27

1^st number: 3 15/20, 2^nd number: 2 26/27

75/20 + 80/27 is 725/108.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 27 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   75/20 = 75 × 27/20 × 27 = 2025/540
3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
   80/27 = 80 × 20/27 × 20 = 1600/540
4. Add the two like fractions:
   2025/540 + 1600/540 = 2025 + 1600/540 = 3625/540
5. 3625/540 simplified gives 725/108
6. So, 75/20 + 80/27 = 725/108
   In mixed form: 677/108

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