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Subtract 42/27 from 20/3

1st number: 6 2/3, 2nd number: 1 15/27

20/3 - 42/27 is 46/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 27 is 27
  2. For the 1st fraction, since 3 × 9 = 27,
    20/3 = 20 × 9/3 × 9 = 180/27
  3. Likewise, for the 2nd fraction, since 27 × 1 = 27,
    42/27 = 42 × 1/27 × 1 = 42/27
  4. Subtract the two fractions:
    180/27 - 42/27 = 180 - 42/27 = 138/27
  5. After reducing the fraction, the answer is 46/9
  6. In mixed form: 51/9

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