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Subtract 3/72 from 90/2

1st number: 45 0/2, 2nd number: 3/72

90/2 - 3/72 is 1079/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 72 is 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,
    3/72 = 3 × 1/72 × 1 = 3/72
  4. Subtract the two fractions:
    3240/72 - 3/72 = 3240 - 3/72 = 3237/72
  5. After reducing the fraction, the answer is 1079/24
  6. In mixed form: 4423/24

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