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Subtract 12/84 from 54/45

1st number: 1 9/45, 2nd number: 12/84

54/45 - 12/84 is 37/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    54/45 = 54 × 28/45 × 28 = 1512/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    12/84 = 12 × 15/84 × 15 = 180/1260
  4. Subtract the two like fractions:
    1512/1260 - 180/1260 = 1512 - 180/1260 = 1332/1260
  5. After reducing the fraction, the answer is 37/35
  6. In mixed form: 12/35

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