Five marks exercise problems VI — task. Mathematics State Board, Class 8.

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Find

$(a+b) \div (a - b)$ if:

(i)

$a = \frac{1}{2}, b = \frac{2}{3}$

$a+b$

$=$

$\frac{i}{i}$ and

$a -b$

$=$

$\frac{i}{i}$

$(a+b) \div (a - b)$

$=$

(ii)

$a = \frac{- 3}{5}, b = \frac{2}{15}$

$a+b$

$=$

$\frac{i}{i}$ and

$a -b$

$=$

$\frac{i}{i}$

$(a+b) \div (a - b)$

$=$

$\frac{i}{i}$

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