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Subtract 21/70 from 84/5

1st number: 16 4/5, 2nd number: 21/70

84/5 - 21/70 is 33/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 5 × 14 = 70,
    84/5 = 84 × 14/5 × 14 = 1176/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    21/70 = 21 × 1/70 × 1 = 21/70
  4. Subtract the two like fractions:
    1176/70 - 21/70 = 1176 - 21/70 = 1155/70
  5. After reducing the fraction, the answer is 33/2
  6. In mixed form: 161/2

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