Answers

Subtract 1/81 from 35/84

35/84 - 1/81 is 131/324.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 84 × 27 = 2268,
   35/84 = 35 × 27/84 × 27 = 945/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   1/81 = 1 × 28/81 × 28 = 28/2268
4. Subtract the two like fractions:
   945/2268 - 28/2268 = 945 - 28/2268 = 917/2268
5. After reducing the fraction, the answer is 131/324

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