Work out the following. Simplify your answers where possible.
a) $7 + \frac{7}{8} =$
b) $14 + \frac{7}{9} =$

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Solution

$a) 7 + \frac{7}{8} = \frac{7 \times 8}{8} + \frac{7}{8} = \frac{56 + 7}{8} = \frac{63}{8}$
$b) 14 + \frac{7}{9} = \frac{14 \times 9}{9} + \frac{7}{9} = \frac{126 + 7}{9} = \frac{133}{9}$

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b) 14 \div \frac{7}{9} =_____

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d) 4 \div \frac{3}{4} =_____

e) 18 \div \frac{9}{10} =_____

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Simplify:
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