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Subtract 21/36 from 90/2

1st number: 45 0/2, 2nd number: 21/36

90/2 - 21/36 is 533/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 36 is 36
  2. For the 1st fraction, since 2 × 18 = 36,
    90/2 = 90 × 18/2 × 18 = 1620/36
  3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
    21/36 = 21 × 1/36 × 1 = 21/36
  4. Subtract the two fractions:
    1620/36 - 21/36 = 1620 - 21/36 = 1599/36
  5. After reducing the fraction, the answer is 533/12
  6. In mixed form: 445/12

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