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Subtract 70/9 from 3/28

1st number: 3/28, 2nd number: 7 7/9

3/28 - 70/9 is -1933/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    3/28 = 3 × 9/28 × 9 = 27/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    70/9 = 70 × 28/9 × 28 = 1960/252
  4. Subtract the two like fractions:
    27/252 - 1960/252 = 27 - 1960/252 = -1933/252

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