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Subtract 80/50 from 1/28

1st number: 1/28, 2nd number: 1 30/50

1/28 - 80/50 is -219/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 50 is 700

    Next, find the equivalent fraction of both fractional numbers with denominator 700
  2. For the 1st fraction, since 28 × 25 = 700,
    1/28 = 1 × 25/28 × 25 = 25/700
  3. Likewise, for the 2nd fraction, since 50 × 14 = 700,
    80/50 = 80 × 14/50 × 14 = 1120/700
  4. Subtract the two like fractions:
    25/700 - 1120/700 = 25 - 1120/700 = -1095/700
  5. After reducing the fraction, the answer is -219/140

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