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Subtract 75/45 from 5/42

1st number: 5/42, 2nd number: 1 30/45

5/42 - 75/45 is -65/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630
  2. For the 1st fraction, since 42 × 15 = 630,
    5/42 = 5 × 15/42 × 15 = 75/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    75/45 = 75 × 14/45 × 14 = 1050/630
  4. Subtract the two fractions:
    75/630 - 1050/630 = 75 - 1050/630 = -975/630
  5. After reducing the fraction, the answer is -65/42

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