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Subtract 3/84 from 5/4

1st number: 1 1/4, 2nd number: 3/84

5/4 - 3/84 is 17/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 84 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    5/4 = 5 × 21/4 × 21 = 105/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    3/84 = 3 × 1/84 × 1 = 3/84
  4. Subtract the two fractions:
    105/84 - 3/84 = 105 - 3/84 = 102/84
  5. After reducing the fraction, the answer is 17/14
  6. In mixed form: 13/14

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