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Subtract 42/63 from 9/5

1st number: 1 4/5, 2nd number: 42/63

9/5 - 42/63 is 17/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 5 × 63 = 315,
    9/5 = 9 × 63/5 × 63 = 567/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    42/63 = 42 × 5/63 × 5 = 210/315
  4. Subtract the two like fractions:
    567/315 - 210/315 = 567 - 210/315 = 357/315
  5. After reducing the fraction, the answer is 17/15
  6. In mixed form: 12/15

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