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Subtract 80/28 from 30/9

1st number: 3 3/9, 2nd number: 2 24/28

30/9 - 80/28 is 10/21.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 9 × 28 = 252,
    30/9 = 30 × 28/9 × 28 = 840/252
  3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
    80/28 = 80 × 9/28 × 9 = 720/252
  4. Subtract the two like fractions:
    840/252 - 720/252 = 840 - 720/252 = 120/252
  5. After reducing the fraction, the answer is 10/21

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