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Subtract 12/9 from 4/72

1st number: 4/72, 2nd number: 1 3/9

4/72 - 12/9 is -23/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    4/72 = 4 × 1/72 × 1 = 4/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    12/9 = 12 × 8/9 × 8 = 96/72
  4. Subtract the two like fractions:
    4/72 - 96/72 = 4 - 96/72 = -92/72
  5. After reducing the fraction, the answer is -23/18

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