$\"\"$

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The expression is $\"\"$

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Write the mixed numbers into improper fraction.

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The improper fraction of $\"\"$ ( $\"\"$ )

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The improper fraction of $\"\"$ ( $\"\"$ ) $\"\"$

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Find the Least Common Denominator (LCD) of improper fraction $\"\"$ and $\"\"$ .

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Find the Least Common Multiple of 4 and 10.

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Multiples of 4: $\"\"$

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Multiples of 10: $\"\"$

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The least common multiple of 4 and 10 is 20.

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Rewrite each fraction with a common denominator of 20.

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$\"\"$

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$\"\"$ $\"\"$

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Rewrite fractions using the LCD 20.

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$\"\"$

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$\"\"$ (LCM is 20)

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$\"\"$ (Add: $\"\"$ ) $\"\"$

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The value of the expression is $\"\"$ .