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Subtract 90/4 from 7/2

1st number: 3 1/2, 2nd number: 22 2/4

7/2 - 90/4 is -19/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 4 is 4
  2. For the 1st fraction, since 2 × 2 = 4,
    7/2 = 7 × 2/2 × 2 = 14/4
  3. Likewise, for the 2nd fraction, since 4 × 1 = 4,
    90/4 = 90 × 1/4 × 1 = 90/4
  4. Subtract the two fractions:
    14/4 - 90/4 = 14 - 90/4 = -76/4
  5. After reducing the fraction, the answer is -19/1

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