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Subtract 40/5 from 5/42

1st number: 5/42, 2nd number: 8 0/5

5/42 - 40/5 is -331/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 5 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    5/42 = 5 × 5/42 × 5 = 25/210
  3. Likewise, for the 2nd fraction, since 5 × 42 = 210,
    40/5 = 40 × 42/5 × 42 = 1680/210
  4. Subtract the two like fractions:
    25/210 - 1680/210 = 25 - 1680/210 = -1655/210
  5. After reducing the fraction, the answer is -331/42

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