What is 81/42 Divided By 8/7

Answer: 8142÷87\frac{81}{42}\div\frac{8}{7} = 2716\frac{27}{16}

Solving 8142÷87\frac{81}{42}\div\frac{8}{7}

  • Rewrite the Division as Multiplication by the Reciprocal:

8142÷87=8142×78\frac{81}{42} \div \frac{8}{7} = \frac{81}{42} \times \frac{7}{8}

  • Multiply the Numerators: 81×7=56781 \times 7 = 567
  • Multiply the Denominators: 42×8=33642 \times 8 = 336
  • Form the New Fraction: 8142×87=567336\frac{81}{42} \times \frac{8}{7} = \frac{567}{336}

Let's Simplify 567336\frac{567}{336}

  • Find the Greatest Common Divisor (GCD) of 567567 and 336336. The GCD of 567567 and 336336 is 2121.
  • Divide both the numerator and the denominator by the GCD:567÷21336÷21=2716\frac{567 \div 21}{336 \div 21} = \frac{27}{16}

Answer 8142÷87=2716\frac{81}{42}\div\frac{8}{7} = \frac{27}{16}


The following animation demonstrates the divide-by,

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