Answers

Subtract 18/80 from 12/75

12/75 - 18/80 is -13/200.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 80 is 1200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1200
2. For the 1st fraction, since 75 × 16 = 1200,
   12/75 = 12 × 16/75 × 16 = 192/1200
3. Likewise, for the 2nd fraction, since 80 × 15 = 1200,
   18/80 = 18 × 15/80 × 15 = 270/1200
4. Subtract the two like fractions:
   192/1200 - 270/1200 = 192 - 270/1200 = -78/1200
5. After reducing the fraction, the answer is -13/200

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