Answers

Subtract 40/75 from 3/56

3/56 - 40/75 is -403/840.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 75 is 4200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4200
2. For the 1st fraction, since 56 × 75 = 4200,
   3/56 = 3 × 75/56 × 75 = 225/4200
3. Likewise, for the 2nd fraction, since 75 × 56 = 4200,
   40/75 = 40 × 56/75 × 56 = 2240/4200
4. Subtract the two like fractions:
   225/4200 - 2240/4200 = 225 - 2240/4200 = -2015/4200
5. After reducing the fraction, the answer is -403/840

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