Answers

Subtract 42/20 from 12/75

1^st number: 12/75, 2^nd number: 2 2/20

12/75 - 42/20 is -97/50.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 20 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   12/75 = 12 × 4/75 × 4 = 48/300
3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
   42/20 = 42 × 15/20 × 15 = 630/300
4. Subtract the two like fractions:
   48/300 - 630/300 = 48 - 630/300 = -582/300
5. After reducing the fraction, the answer is -97/50

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