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Subtract 18/7 from 18/4

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

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

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,
    18/7 = 18 × 4/7 × 4 = 72/28
  4. Subtract the two fractions:
    126/28 - 72/28 = 126 - 72/28 = 54/28
  5. After reducing the fraction, the answer is 27/14
  6. In mixed form: 113/14

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