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Subtract 9/10 from 63/4

1st number: 15 3/4, 2nd number: 9/10

63/4 - 9/10 is 297/20.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    63/4 = 63 × 5/4 × 5 = 315/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    9/10 = 9 × 2/10 × 2 = 18/20
  4. Subtract the two like fractions:
    315/20 - 18/20 = 315 - 18/20 = 297/20
  5. In mixed form: 1417/20

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