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What is a list of some benchmark fractions?

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Quick Answer

A list of benchmark fractions include 1/4, 1/3, 1/2, 2/3 and 3/4. Benchmark fractions are common fractions that are used for comparison to other numbers. For example, the benchmark fraction 1/10 is often used because of how it relates to decimals.

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Full Answer

Benchmark fractions are useful to know because of how they relate to common percentages and decimals. Every fraction can be converted into a decimal by dividing the denominator, or the bottom number, into the numerator, the top number. The decimal can then be converted into a percentage by multiplying by 100. A list of some benchmark fractions and their equivalents are:

  • 1/2 = 50 percent = 0.5
  • 1/4 = 25 percent = 0.25
  • 2/5 = 40 percent = 0.4
  • 3/8 = 37.5 percent = 0.375
  • 7/10 = 70 percent = 0.7
  • 1/9 = 11.11 percent = 0.111
  • 1/8 = 12.5 percent = 0.125
  • 4/5 = 80 percent = 0.8
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