Answers

Subtract 40/7 from 30/12

1^st number: 2 6/12, 2^nd number: 5 5/7

30/12 - 40/7 is -45/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   30/12 = 30 × 7/12 × 7 = 210/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   40/7 = 40 × 12/7 × 12 = 480/84
4. Subtract the two like fractions:
   210/84 - 480/84 = 210 - 480/84 = -270/84
5. After reducing the fraction, the answer is -45/14

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