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Subtract 4/45 from 25/2

1st number: 12 1/2, 2nd number: 4/45

25/2 - 4/45 is 1117/90.

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,
    25/2 = 25 × 45/2 × 45 = 1125/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    4/45 = 4 × 2/45 × 2 = 8/90
  4. Subtract the two like fractions:
    1125/90 - 8/90 = 1125 - 8/90 = 1117/90
  5. In mixed form: 1237/90

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