Add/Subtract Fractions & Multiply/Divide Decimals w/Models

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What is a fraction?

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How do you subtract fractions with different denominators?

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To subtract fractions with different denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

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What is the process to add fractions?

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To add fractions, if they have the same denominator, add the numerators and keep the denominator. If they have different denominators, find a common denominator first.

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What does the term 'common denominator' mean?

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A common denominator is a shared multiple of the denominators of two or more fractions, allowing for addition or subtraction.

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How do you multiply fractions?

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What is a decimal?

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A decimal is a way of representing fractions using a point (decimal point) to separate the whole number part from the fractional part.

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How do you multiply decimals?

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To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal in the product accordingly.

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How do you divide decimals?

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To divide decimals, move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places. Then divide as usual.

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