Answers

Subtract 5/8 from 14/81

14/81 - 5/8 is -293/648.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 8 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 81 × 8 = 648,
   14/81 = 14 × 8/81 × 8 = 112/648
3. Likewise, for the 2nd fraction, since 8 × 81 = 648,
   5/8 = 5 × 81/8 × 81 = 405/648
4. Subtract the two like fractions:
   112/648 - 405/648 = 112 - 405/648 = -293/648

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