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Subtract 42/27 from 10/4

1st number: 2 2/4, 2nd number: 1 15/27

10/4 - 42/27 is 17/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 27 is 108
  2. For the 1st fraction, since 4 × 27 = 108,
    10/4 = 10 × 27/4 × 27 = 270/108
  3. Likewise, for the 2nd fraction, since 27 × 4 = 108,
    42/27 = 42 × 4/27 × 4 = 168/108
  4. Subtract the two fractions:
    270/108 - 168/108 = 270 - 168/108 = 102/108
  5. After reducing the fraction, the answer is 17/18

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