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Subtract 2/18 from 28/7

1st number: 4 0/7, 2nd number: 2/18

28/7 - 2/18 is 35/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126
  2. For the 1st fraction, since 7 × 18 = 126,
    28/7 = 28 × 18/7 × 18 = 504/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    2/18 = 2 × 7/18 × 7 = 14/126
  4. Subtract the two fractions:
    504/126 - 14/126 = 504 - 14/126 = 490/126
  5. After reducing the fraction, the answer is 35/9
  6. In mixed form: 38/9

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