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Subtract 4/80 from 28/18

1st number: 1 10/18, 2nd number: 4/80

28/18 - 4/80 is 271/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720
  2. For the 1st fraction, since 18 × 40 = 720,
    28/18 = 28 × 40/18 × 40 = 1120/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    4/80 = 4 × 9/80 × 9 = 36/720
  4. Subtract the two fractions:
    1120/720 - 36/720 = 1120 - 36/720 = 1084/720
  5. After reducing the fraction, the answer is 271/180
  6. In mixed form: 191/180

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