Answers

Subtract 20/27 from 2/81

2/81 - 20/27 is -58/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 27 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   2/81 = 2 × 1/81 × 1 = 2/81
3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
   20/27 = 20 × 3/27 × 3 = 60/81
4. Subtract the two like fractions:
   2/81 - 60/81 = 2 - 60/81 = -58/81

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