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Subtract 7/84 from 84/40

1st number: 2 4/40, 2nd number: 7/84

84/40 - 7/84 is 121/60.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    84/40 = 84 × 21/40 × 21 = 1764/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    7/84 = 7 × 10/84 × 10 = 70/840
  4. Subtract the two like fractions:
    1764/840 - 70/840 = 1764 - 70/840 = 1694/840
  5. After reducing the fraction, the answer is 121/60
  6. In mixed form: 21/60

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