Answers

Subtract 20/12 from 40/75

1^st number: 40/75, 2^nd number: 1 8/12

40/75 - 20/12 is -17/15.

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,
   40/75 = 40 × 4/75 × 4 = 160/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   20/12 = 20 × 25/12 × 25 = 500/300
4. Subtract the two like fractions:
   160/300 - 500/300 = 160 - 500/300 = -340/300
5. After reducing the fraction, the answer is -17/15

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