Compare and Order Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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How do you compare two rational numbers?

Back

To compare two rational numbers, convert them to a common denominator or convert them to decimal form and then compare their values.

Front

What does it mean to order numbers from greatest to least?

Back

Ordering numbers from greatest to least means arranging them in a sequence starting with the largest number and ending with the smallest.

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Convert 25% to a decimal.

Back

25% as a decimal is 0.25.

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Convert 0.27 to a fraction.

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Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100.

Front

Which is greater: 0.45 or 45%?

Back

0.45 is equal to 45%, so neither is greater.

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How do you find the least common denominator (LCD) of two fractions?

Back

To find the least common denominator, list the multiples of each denominator and find the smallest multiple that is common to both.