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Subtract 12/8 from 70/80

1st number: 70/80, 2nd number: 1 4/8

70/80 - 12/8 is -5/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 8 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    70/80 = 70 × 1/80 × 1 = 70/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    12/8 = 12 × 10/8 × 10 = 120/80
  4. Subtract the two like fractions:
    70/80 - 120/80 = 70 - 120/80 = -50/80
  5. After reducing the fraction, the answer is -5/8

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