What is 42/57 Divided By 7/8

Answer: 4257÷78\frac{42}{57}\div\frac{7}{8} = 1619\frac{16}{19}

Solving 4257÷78\frac{42}{57}\div\frac{7}{8}

  • Rewrite the Division as Multiplication by the Reciprocal:

4257÷78=4257×87\frac{42}{57} \div \frac{7}{8} = \frac{42}{57} \times \frac{8}{7}

  • Multiply the Numerators: 42×8=33642 \times 8 = 336
  • Multiply the Denominators: 57×7=39957 \times 7 = 399
  • Form the New Fraction: 4257×78=336399\frac{42}{57} \times \frac{7}{8} = \frac{336}{399}

Let's Simplify 336399\frac{336}{399}

  • Find the Greatest Common Divisor (GCD) of 336336 and 399399. The GCD of 336336 and 399399 is 2121.
  • Divide both the numerator and the denominator by the GCD:336÷21399÷21=1619\frac{336 \div 21}{399 \div 21} = \frac{16}{19}

Answer 4257÷78=1619\frac{42}{57}\div\frac{7}{8} = \frac{16}{19}


The following animation demonstrates the divide-by,

©AskMathGuru
Need support for a different topic or want to share a feedback? Write to us and we'll work on adding it. Be a part of our progress!