What is 81/42 Divided By 8/5

Answer: 8142÷85\frac{81}{42}\div\frac{8}{5} = 135112\frac{135}{112}

Solving 8142÷85\frac{81}{42}\div\frac{8}{5}

  • Rewrite the Division as Multiplication by the Reciprocal:

8142÷85=8142×58\frac{81}{42} \div \frac{8}{5} = \frac{81}{42} \times \frac{5}{8}

  • Multiply the Numerators: 81×5=40581 \times 5 = 405
  • Multiply the Denominators: 42×8=33642 \times 8 = 336
  • Form the New Fraction: 8142×85=405336\frac{81}{42} \times \frac{8}{5} = \frac{405}{336}

Let's Simplify 405336\frac{405}{336}

  • Find the Greatest Common Divisor (GCD) of 405405 and 336336. The GCD of 405405 and 336336 is 33.
  • Divide both the numerator and the denominator by the GCD:405÷3336÷3=135112\frac{405 \div 3}{336 \div 3} = \frac{135}{112}

Answer 8142÷85=135112\frac{81}{42}\div\frac{8}{5} = \frac{135}{112}


The following animation demonstrates the divide-by,

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