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# What is a list of some benchmark fractions?

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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.

## Keep Learning

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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## Related Questions

• A:

To add fractions, you must first make the denominators the same. The denominators are the bottom numbers of the fractions. When you add a negative fraction and a positive fraction, you are essentially subtracting one fraction from the other.

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To add or subtract fractions, first determine if the fractions have a common denominator. If the fractions have different denominators, find the least common multiple of the two numbers, and convert the fractions. Once the fractions have similar denominators, add or subtract the numerators to find the answer.

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Two fractions can be compared to determine which of them is greater by cross-multiplication. In cross multiplication, the numerator of each fraction is multiplied by the denominator of the opposing fraction. Whichever value is bigger corresponds to the larger fraction.