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Subtract 40/14 from 70/80

1st number: 70/80, 2nd number: 2 12/14

70/80 - 40/14 is -111/56.

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,
    70/80 = 70 × 7/80 × 7 = 490/560
  3. Likewise, for the 2nd fraction, since 14 × 40 = 560,
    40/14 = 40 × 40/14 × 40 = 1600/560
  4. Subtract the two like fractions:
    490/560 - 1600/560 = 490 - 1600/560 = -1110/560
  5. After reducing the fraction, the answer is -111/56

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