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Subtract 1/72 from 90/2

1st number: 45 0/2, 2nd number: 1/72

90/2 - 1/72 is 3239/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 2 × 36 = 72,
    90/2 = 90 × 36/2 × 36 = 3240/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    1/72 = 1 × 1/72 × 1 = 1/72
  4. Subtract the two like fractions:
    3240/72 - 1/72 = 3240 - 1/72 = 3239/72
  5. In mixed form: 4471/72

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