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Subtract 18/84 from 84/45

1st number: 1 39/45, 2nd number: 18/84

84/45 - 18/84 is 347/210.

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,
    84/45 = 84 × 28/45 × 28 = 2352/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    18/84 = 18 × 15/84 × 15 = 270/1260
  4. Subtract the two like fractions:
    2352/1260 - 270/1260 = 2352 - 270/1260 = 2082/1260
  5. After reducing the fraction, the answer is 347/210
  6. In mixed form: 1137/210

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