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Subtract 21/27 from 42/2

1st number: 21 0/2, 2nd number: 21/27

42/2 - 21/27 is 182/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 27 is 54
  2. For the 1st fraction, since 2 × 27 = 54,
    42/2 = 42 × 27/2 × 27 = 1134/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    21/27 = 21 × 2/27 × 2 = 42/54
  4. Subtract the two fractions:
    1134/54 - 42/54 = 1134 - 42/54 = 1092/54
  5. After reducing the fraction, the answer is 182/9
  6. In mixed form: 202/9

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