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Subtract 45/4 from 75/84

1st number: 75/84, 2nd number: 11 1/4

75/84 - 45/4 is -145/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    75/84 = 75 × 1/84 × 1 = 75/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    45/4 = 45 × 21/4 × 21 = 945/84
  4. Subtract the two like fractions:
    75/84 - 945/84 = 75 - 945/84 = -870/84
  5. After reducing the fraction, the answer is -145/14

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