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Subtract 40/7 from 10/84

1st number: 10/84, 2nd number: 5 5/7

10/84 - 40/7 is -235/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    10/84 = 10 × 1/84 × 1 = 10/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    40/7 = 40 × 12/7 × 12 = 480/84
  4. Subtract the two like fractions:
    10/84 - 480/84 = 10 - 480/84 = -470/84
  5. After reducing the fraction, the answer is -235/42

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