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Subtract 2/90 from 75/42

1st number: 1 33/42, 2nd number: 2/90

75/42 - 2/90 is 1111/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    75/42 = 75 × 15/42 × 15 = 1125/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    2/90 = 2 × 7/90 × 7 = 14/630
  4. Subtract the two like fractions:
    1125/630 - 14/630 = 1125 - 14/630 = 1111/630
  5. In mixed form: 1481/630

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