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Subtract 21/45 from 84/49

1st number: 1 35/49, 2nd number: 21/45

84/49 - 21/45 is 131/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 45 is 2205

    Next, find the equivalent fraction of both fractional numbers with denominator 2205
  2. For the 1st fraction, since 49 × 45 = 2205,
    84/49 = 84 × 45/49 × 45 = 3780/2205
  3. Likewise, for the 2nd fraction, since 45 × 49 = 2205,
    21/45 = 21 × 49/45 × 49 = 1029/2205
  4. Subtract the two like fractions:
    3780/2205 - 1029/2205 = 3780 - 1029/2205 = 2751/2205
  5. After reducing the fraction, the answer is 131/105
  6. In mixed form: 126/105

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