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Subtract 7/5 from 45/4

1st number: 11 1/4, 2nd number: 1 2/5

45/4 - 7/5 is 197/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    45/4 = 45 × 5/4 × 5 = 225/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    7/5 = 7 × 4/5 × 4 = 28/20
  4. Subtract the two like fractions:
    225/20 - 28/20 = 225 - 28/20 = 197/20
  5. In mixed form: 917/20

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