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Subtract 15/81 from 49/4

1st number: 12 1/4, 2nd number: 15/81

49/4 - 15/81 is 1303/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 4 × 81 = 324,
    49/4 = 49 × 81/4 × 81 = 3969/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    15/81 = 15 × 4/81 × 4 = 60/324
  4. Subtract the two like fractions:
    3969/324 - 60/324 = 3969 - 60/324 = 3909/324
  5. After reducing the fraction, the answer is 1303/108
  6. In mixed form: 127/108

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