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Subtract 50/7 from 45/12

1st number: 3 9/12, 2nd number: 7 1/7

45/12 - 50/7 is -95/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    45/12 = 45 × 7/12 × 7 = 315/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    50/7 = 50 × 12/7 × 12 = 600/84
  4. Subtract the two like fractions:
    315/84 - 600/84 = 315 - 600/84 = -285/84
  5. After reducing the fraction, the answer is -95/28

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