Answers

Subtract 25/48 from 2/81

2/81 - 25/48 is -643/1296.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 48 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 81 × 16 = 1296,
   2/81 = 2 × 16/81 × 16 = 32/1296
3. Likewise, for the 2nd fraction, since 48 × 27 = 1296,
   25/48 = 25 × 27/48 × 27 = 675/1296
4. Subtract the two like fractions:
   32/1296 - 675/1296 = 32 - 675/1296 = -643/1296

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