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Subtract 42/9 from 20/3

1st number: 6 2/3, 2nd number: 4 6/9

20/3 - 42/9 is 2/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 9 is 9

    Next, find the equivalent fraction of both fractional numbers with denominator 9
  2. For the 1st fraction, since 3 × 3 = 9,
    20/3 = 20 × 3/3 × 3 = 60/9
  3. Likewise, for the 2nd fraction, since 9 × 1 = 9,
    42/9 = 42 × 1/9 × 1 = 42/9
  4. Subtract the two like fractions:
    60/9 - 42/9 = 60 - 42/9 = 18/9
  5. After reducing the fraction, the answer is 2/1

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