Answers

Subtract 9/42 from 9/56

9/56 - 9/42 is -3/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 42 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   9/56 = 9 × 3/56 × 3 = 27/168
3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
   9/42 = 9 × 4/42 × 4 = 36/168
4. Subtract the two like fractions:
   27/168 - 36/168 = 27 - 36/168 = -9/168
5. After reducing the fraction, the answer is -3/56

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