Answers

Subtract 45/12 from 4/75

1^st number: 4/75, 2^nd number: 3 9/12

4/75 - 45/12 is -1109/300.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   4/75 = 4 × 4/75 × 4 = 16/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   45/12 = 45 × 25/12 × 25 = 1125/300
4. Subtract the two like fractions:
   16/300 - 1125/300 = 16 - 1125/300 = -1109/300

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