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Subtract 21/80 from 84/3

1st number: 28 0/3, 2nd number: 21/80

84/3 - 21/80 is 2219/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 80 is 240
  2. For the 1st fraction, since 3 × 80 = 240,
    84/3 = 84 × 80/3 × 80 = 6720/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    21/80 = 21 × 3/80 × 3 = 63/240
  4. Subtract the two fractions:
    6720/240 - 63/240 = 6720 - 63/240 = 6657/240
  5. After reducing the fraction, the answer is 2219/80
  6. In mixed form: 2759/80

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