Answers

Subtract 40/12 from 9/30

1^st number: 9/30, 2^nd number: 3 4/12

9/30 - 40/12 is -91/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   9/30 = 9 × 2/30 × 2 = 18/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   40/12 = 40 × 5/12 × 5 = 200/60
4. Subtract the two like fractions:
   18/60 - 200/60 = 18 - 200/60 = -182/60
5. After reducing the fraction, the answer is -91/30

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