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Subtract 9/4 from 5/84

1st number: 5/84, 2nd number: 2 1/4

5/84 - 9/4 is -46/21.

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,
    5/84 = 5 × 1/84 × 1 = 5/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    9/4 = 9 × 21/4 × 21 = 189/84
  4. Subtract the two like fractions:
    5/84 - 189/84 = 5 - 189/84 = -184/84
  5. After reducing the fraction, the answer is -46/21

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