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Subtract 5/18 from 10/72

10/72 - 5/18 is -5/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    10/72 = 10 × 1/72 × 1 = 10/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    5/18 = 5 × 4/18 × 4 = 20/72
  4. Subtract the two like fractions:
    10/72 - 20/72 = 10 - 20/72 = -10/72
  5. After reducing the fraction, the answer is -5/36

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