Answers

Add 81/75 and 81/84

1^st number: 1 6/75, 2^nd number: 81/84

81/75 + 81/84 is 1431/700.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   81/75 = 81 × 28/75 × 28 = 2268/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   81/84 = 81 × 25/84 × 25 = 2025/2100
4. Add the two like fractions:
   2268/2100 + 2025/2100 = 2268 + 2025/2100 = 4293/2100
5. 4293/2100 simplified gives 1431/700
6. So, 81/75 + 81/84 = 1431/700
   In mixed form: 231/700

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