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Subtract 60/40 from 5/84

1st number: 5/84, 2nd number: 1 20/40

5/84 - 60/40 is -121/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 84 × 10 = 840,
    5/84 = 5 × 10/84 × 10 = 50/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    60/40 = 60 × 21/40 × 21 = 1260/840
  4. Subtract the two like fractions:
    50/840 - 1260/840 = 50 - 1260/840 = -1210/840
  5. After reducing the fraction, the answer is -121/84

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