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Subtract 42/56 from 9/5

1st number: 1 4/5, 2nd number: 42/56

9/5 - 42/56 is 21/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 5 × 56 = 280,
    9/5 = 9 × 56/5 × 56 = 504/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    42/56 = 42 × 5/56 × 5 = 210/280
  4. Subtract the two like fractions:
    504/280 - 210/280 = 504 - 210/280 = 294/280
  5. After reducing the fraction, the answer is 21/20
  6. In mixed form: 11/20

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