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Subtract 27/7 from 18/4

1st number: 4 2/4, 2nd number: 3 6/7

18/4 - 27/7 is 9/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28
  2. For the 1st fraction, since 4 × 7 = 28,
    18/4 = 18 × 7/4 × 7 = 126/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    27/7 = 27 × 4/7 × 4 = 108/28
  4. Subtract the two fractions:
    126/28 - 108/28 = 126 - 108/28 = 18/28
  5. After reducing the fraction, the answer is 9/14

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