Answers

Subtract 40/6 from 12/28

1^st number: 12/28, 2^nd number: 6 4/6

12/28 - 40/6 is -131/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 6 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   12/28 = 12 × 3/28 × 3 = 36/84
3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
   40/6 = 40 × 14/6 × 14 = 560/84
4. Subtract the two like fractions:
   36/84 - 560/84 = 36 - 560/84 = -524/84
5. After reducing the fraction, the answer is -131/21

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