Answers

Subtract 40/14 from 45/80

1^st number: 45/80, 2^nd number: 2 12/14

45/80 - 40/14 is -257/112.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 14 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   45/80 = 45 × 7/80 × 7 = 315/560
3. Likewise, for the 2nd fraction, since 14 × 40 = 560,
   40/14 = 40 × 40/14 × 40 = 1600/560
4. Subtract the two like fractions:
   315/560 - 1600/560 = 315 - 1600/560 = -1285/560
5. After reducing the fraction, the answer is -257/112

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