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Subtract 56/21 from 80/15

1st number: 5 5/15, 2nd number: 2 14/21

80/15 - 56/21 is 8/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    80/15 = 80 × 7/15 × 7 = 560/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    56/21 = 56 × 5/21 × 5 = 280/105
  4. Subtract the two like fractions:
    560/105 - 280/105 = 560 - 280/105 = 280/105
  5. After reducing the fraction, the answer is 8/3
  6. In mixed form: 22/3

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