Answers

Subtract 56/12 from 40/14

1^st number: 2 12/14, 2^nd number: 4 8/12

40/14 - 56/12 is -38/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 14 × 6 = 84,
   40/14 = 40 × 6/14 × 6 = 240/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   56/12 = 56 × 7/12 × 7 = 392/84
4. Subtract the two like fractions:
   240/84 - 392/84 = 240 - 392/84 = -152/84
5. After reducing the fraction, the answer is -38/21

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