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Subtract 9/5 from 63/45

1st number: 1 18/45, 2nd number: 1 4/5

63/45 - 9/5 is -2/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 5 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 45 × 1 = 45,
    63/45 = 63 × 1/45 × 1 = 63/45
  3. Likewise, for the 2nd fraction, since 5 × 9 = 45,
    9/5 = 9 × 9/5 × 9 = 81/45
  4. Subtract the two like fractions:
    63/45 - 81/45 = 63 - 81/45 = -18/45
  5. After reducing the fraction, the answer is -2/5

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