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Subtract 9/5 from 63/18

1st number: 3 9/18, 2nd number: 1 4/5

63/18 - 9/5 is 17/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    63/18 = 63 × 5/18 × 5 = 315/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    9/5 = 9 × 18/5 × 18 = 162/90
  4. Subtract the two like fractions:
    315/90 - 162/90 = 315 - 162/90 = 153/90
  5. After reducing the fraction, the answer is 17/10
  6. In mixed form: 17/10

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