Answers

Subtract 40/14 from 15/40

1^st number: 15/40, 2^nd number: 2 12/14

15/40 - 40/14 is -139/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 14 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   15/40 = 15 × 7/40 × 7 = 105/280
3. Likewise, for the 2nd fraction, since 14 × 20 = 280,
   40/14 = 40 × 20/14 × 20 = 800/280
4. Subtract the two like fractions:
   105/280 - 800/280 = 105 - 800/280 = -695/280
5. After reducing the fraction, the answer is -139/56

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