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Subtract 4/56 from 1/72

1/72 - 4/56 is -29/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    1/72 = 1 × 7/72 × 7 = 7/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    4/56 = 4 × 9/56 × 9 = 36/504
  4. Subtract the two like fractions:
    7/504 - 36/504 = 7 - 36/504 = -29/504

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