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Subtract 8/56 from 3/18

3/18 - 8/56 is 1/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 18 × 28 = 504,
    3/18 = 3 × 28/18 × 28 = 84/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    8/56 = 8 × 9/56 × 9 = 72/504
  4. Subtract the two like fractions:
    84/504 - 72/504 = 84 - 72/504 = 12/504
  5. After reducing the fraction, the answer is 1/42

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