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Subtract 2/45 from 5/4

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

5/4 - 2/45 is 217/180.

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,
    5/4 = 5 × 45/4 × 45 = 225/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    2/45 = 2 × 4/45 × 4 = 8/180
  4. Subtract the two like fractions:
    225/180 - 8/180 = 225 - 8/180 = 217/180
  5. In mixed form: 137/180

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