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Subtract 90/60 from 8/12

1st number: 8/12, 2nd number: 1 30/60

8/12 - 90/60 is -5/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 60 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    8/12 = 8 × 5/12 × 5 = 40/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    90/60 = 90 × 1/60 × 1 = 90/60
  4. Subtract the two fractions:
    40/60 - 90/60 = 40 - 90/60 = -50/60
  5. After reducing the fraction, the answer is -5/6

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