4.2 Adding Rationals Day 2 (CTM7)

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What is a rational number?

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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 add two fractions with different denominators?

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To add fractions with different denominators, find a common denominator, convert each fraction, and then add the numerators.

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What is the simplest form of a fraction?

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The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

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What is the process to convert a mixed number to an improper fraction?

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Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

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How do you convert a decimal to a fraction?

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To convert a decimal to a fraction, write the decimal as a fraction with a denominator of 1, then multiply the numerator and denominator by 10 for each digit after the decimal point.

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