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Subtract 3/45 from 42/2

1st number: 21 0/2, 2nd number: 3/45

42/2 - 3/45 is 314/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    42/2 = 42 × 45/2 × 45 = 1890/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    3/45 = 3 × 2/45 × 2 = 6/90
  4. Subtract the two fractions:
    1890/90 - 6/90 = 1890 - 6/90 = 1884/90
  5. After reducing the fraction, the answer is 314/15
  6. In mixed form: 2014/15

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