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Subtract 5/7 from 1/28

1/28 - 5/7 is -19/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 28 × 1 = 28,
    1/28 = 1 × 1/28 × 1 = 1/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    5/7 = 5 × 4/7 × 4 = 20/28
  4. Subtract the two like fractions:
    1/28 - 20/28 = 1 - 20/28 = -19/28

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