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Subtract 70/21 from 84/5

1st number: 16 4/5, 2nd number: 3 7/21

84/5 - 70/21 is 202/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 5 × 21 = 105,
    84/5 = 84 × 21/5 × 21 = 1764/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    70/21 = 70 × 5/21 × 5 = 350/105
  4. Subtract the two like fractions:
    1764/105 - 350/105 = 1764 - 350/105 = 1414/105
  5. After reducing the fraction, the answer is 202/15
  6. In mixed form: 137/15

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