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

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The equation is $\"\"$ .

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$\"\"$ (Distributive property: a(b + c) = ab + ac)

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Distributive property: $\"\"$ )

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$\"\"$ (Cancel common terms)

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$\"\"$ (Product of two same signs is positive)

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$\"\"$

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$\"\"$ (Commutative property: a + b = b + a)

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To add fractions the denominators must be equal.

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Find the least common denominator (LCD).

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Multiples of 1: 1,2,3,4,5,6,7.............

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Multiples of 2:2,4,4,6,8,10,12............

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The least common multiple of 1 and 4 is 4.

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Rewrite each fraction with a common denominator of 4.

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$\"\"$

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

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Rewrite fractions using the LCD 2.

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$\"\"$

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$\"\"$ (Lcm is 4)

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Add: 4n + n = 5n) \ \ $\"\"$

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The solution of expression $\"\"$ $\"\"$ .