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Subtract 45/42 from 32/45

1st number: 32/45, 2nd number: 1 3/42

32/45 - 45/42 is -227/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    32/45 = 32 × 14/45 × 14 = 448/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    45/42 = 45 × 15/42 × 15 = 675/630
  4. Subtract the two like fractions:
    448/630 - 675/630 = 448 - 675/630 = -227/630

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