Answers

Subtract 25/14 from 20/12

1^st number: 1 8/12, 2^nd number: 1 11/14

20/12 - 25/14 is -5/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 14 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   20/12 = 20 × 7/12 × 7 = 140/84
3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
   25/14 = 25 × 6/14 × 6 = 150/84
4. Subtract the two like fractions:
   140/84 - 150/84 = 140 - 150/84 = -10/84
5. After reducing the fraction, the answer is -5/42

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