Answers

Subtract 40/75 from 1/2

1/2 - 40/75 is -1/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 75 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 2 × 75 = 150,
   1/2 = 1 × 75/2 × 75 = 75/150
3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
   40/75 = 40 × 2/75 × 2 = 80/150
4. Subtract the two like fractions:
   75/150 - 80/150 = 75 - 80/150 = -5/150
5. After reducing the fraction, the answer is -1/30

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