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Subtract 4/45 from 18/4

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

18/4 - 4/45 is 397/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    18/4 = 18 × 45/4 × 45 = 810/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    4/45 = 4 × 4/45 × 4 = 16/180
  4. Subtract the two like fractions:
    810/180 - 16/180 = 810 - 16/180 = 794/180
  5. After reducing the fraction, the answer is 397/90
  6. In mixed form: 437/90

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