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Subtract 10/9 from 42/27

1st number: 1 15/27, 2nd number: 1 1/9

42/27 - 10/9 is 4/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 9 is 27
  2. For the 1st fraction, since 27 × 1 = 27,
    42/27 = 42 × 1/27 × 1 = 42/27
  3. Likewise, for the 2nd fraction, since 9 × 3 = 27,
    10/9 = 10 × 3/9 × 3 = 30/27
  4. Subtract the two fractions:
    42/27 - 30/27 = 42 - 30/27 = 12/27
  5. After reducing the fraction, the answer is 4/9

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