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Subtract 8/42 from 2/72

2/72 - 8/42 is -41/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    2/72 = 2 × 7/72 × 7 = 14/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    8/42 = 8 × 12/42 × 12 = 96/504
  4. Subtract the two like fractions:
    14/504 - 96/504 = 14 - 96/504 = -82/504
  5. After reducing the fraction, the answer is -41/252

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