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Subtract 9/28 from 63/20

1st number: 3 3/20, 2nd number: 9/28

63/20 - 9/28 is 99/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    63/20 = 63 × 7/20 × 7 = 441/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  4. Subtract the two like fractions:
    441/140 - 45/140 = 441 - 45/140 = 396/140
  5. After reducing the fraction, the answer is 99/35
  6. In mixed form: 229/35

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