Answers

Add 20/75 and 84/81

1^st number: 20/75, 2^nd number: 1 3/81

20/75 + 84/81 is 176/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 75 × 27 = 2025,
   20/75 = 20 × 27/75 × 27 = 540/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   84/81 = 84 × 25/81 × 25 = 2100/2025
4. Add the two like fractions:
   540/2025 + 2100/2025 = 540 + 2100/2025 = 2640/2025
5. 2640/2025 simplified gives 176/135
6. So, 20/75 + 84/81 = 176/135
   In mixed form: 141/135

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