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Subtract 42/27 from 5/84

1st number: 5/84, 2nd number: 1 15/27

5/84 - 42/27 is -377/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 27 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 84 × 9 = 756,
    5/84 = 5 × 9/84 × 9 = 45/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    42/27 = 42 × 28/27 × 28 = 1176/756
  4. Subtract the two like fractions:
    45/756 - 1176/756 = 45 - 1176/756 = -1131/756
  5. After reducing the fraction, the answer is -377/252

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