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Subtract 30/75 from 7/2

1st number: 3 1/2, 2nd number: 30/75

7/2 - 30/75 is 31/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 75 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 2 × 75 = 150,
    7/2 = 7 × 75/2 × 75 = 525/150
  3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
    30/75 = 30 × 2/75 × 2 = 60/150
  4. Subtract the two like fractions:
    525/150 - 60/150 = 525 - 60/150 = 465/150
  5. After reducing the fraction, the answer is 31/10
  6. In mixed form: 31/10

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