Answers

Subtract 6/42 from 49/81

49/81 - 6/42 is 262/567.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 42 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 81 × 14 = 1134,
   49/81 = 49 × 14/81 × 14 = 686/1134
3. Likewise, for the 2nd fraction, since 42 × 27 = 1134,
   6/42 = 6 × 27/42 × 27 = 162/1134
4. Subtract the two like fractions:
   686/1134 - 162/1134 = 686 - 162/1134 = 524/1134
5. After reducing the fraction, the answer is 262/567

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