Answers

Subtract 50/81 from 3/8

3/8 - 50/81 is -157/648.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 81 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 8 × 81 = 648,
   3/8 = 3 × 81/8 × 81 = 243/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   50/81 = 50 × 8/81 × 8 = 400/648
4. Subtract the two like fractions:
   243/648 - 400/648 = 243 - 400/648 = -157/648

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