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Subtract 1/4 from 28/10

1st number: 2 8/10, 2nd number: 1/4

28/10 - 1/4 is 51/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    28/10 = 28 × 2/10 × 2 = 56/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    1/4 = 1 × 5/4 × 5 = 5/20
  4. Subtract the two like fractions:
    56/20 - 5/20 = 56 - 5/20 = 51/20
  5. In mixed form: 211/20

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