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Subtract 7/45 from 7/2

1st number: 3 1/2, 2nd number: 7/45

7/2 - 7/45 is 301/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    7/2 = 7 × 45/2 × 45 = 315/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    7/45 = 7 × 2/45 × 2 = 14/90
  4. Subtract the two fractions:
    315/90 - 14/90 = 315 - 14/90 = 301/90
  5. In mixed form: 331/90

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