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To add fractions the denominators must be equal.

Find the least common denominator (LCD).

Write the prime factorization of each denominator.

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Multiply the highest power of each factor in either number.

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LCD of the fractions is 20. $\"\"$

Rewrite the equivalent fractions using the LCD.

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Rewrite the expression using the LCD.

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Denominators are same, write sum of numerators over denominator.

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Add the numerators.

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The sum is $\"\"$ .