Answers

Subtract 40/14 from 12/15

1^st number: 12/15, 2^nd number: 2 12/14

12/15 - 40/14 is -72/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 14 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   12/15 = 12 × 14/15 × 14 = 168/210
3. Likewise, for the 2nd fraction, since 14 × 15 = 210,
   40/14 = 40 × 15/14 × 15 = 600/210
4. Subtract the two like fractions:
   168/210 - 600/210 = 168 - 600/210 = -432/210
5. After reducing the fraction, the answer is -72/35

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