Answers

Subtract 2/84 from 4/81

4/81 - 2/84 is 29/1134.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 84 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 81 × 28 = 2268,
   4/81 = 4 × 28/81 × 28 = 112/2268
3. Likewise, for the 2nd fraction, since 84 × 27 = 2268,
   2/84 = 2 × 27/84 × 27 = 54/2268
4. Subtract the two like fractions:
   112/2268 - 54/2268 = 112 - 54/2268 = 58/2268
5. After reducing the fraction, the answer is 29/1134

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