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

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The expression is $\"\"$ .

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

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

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

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$\"\"$

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

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

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Find the least common denominator (LCD).

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Multiples of 5: 5,10,15,20,25.....

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Multiples of 4: 4,8,12,16,20,24,28.....

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The least common multiple of 5 and 4 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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$\"\"$

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$\"\"$

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$\"\"$ (Lcm is 20)

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$\"\"$ (Add: 48 + 60 = 108 and 64 + 135 = 199) \ \

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$\"\"$ (Simplify)

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$\"\"$

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The simplified expression is $\"\"$ .