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Subtract 7/45 from 9/2

1st number: 4 1/2, 2nd number: 7/45

9/2 - 7/45 is 391/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    9/2 = 9 × 45/2 × 45 = 405/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    7/45 = 7 × 2/45 × 2 = 14/90
  4. Subtract the two like fractions:
    405/90 - 14/90 = 405 - 14/90 = 391/90
  5. In mixed form: 431/90

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