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Subtract 3/24 from 7/72

7/72 - 3/24 is -1/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 24 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    7/72 = 7 × 1/72 × 1 = 7/72
  3. Likewise, for the 2nd fraction, since 24 × 3 = 72,
    3/24 = 3 × 3/24 × 3 = 9/72
  4. Subtract the two like fractions:
    7/72 - 9/72 = 7 - 9/72 = -2/72
  5. After reducing the fraction, the answer is -1/36

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