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Formation of Algebraic Expressions

Question 4 vi...

Question

Find the value of:
$\frac{- 7}{12} \div (\frac{- 2}{13})$

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Solution

$Given : \frac{- 7}{12} \div (\frac{- 2}{13}) = \frac{- 7}{12} \times \frac{13}{(- 2)} = \frac{(- 7) \times 13}{12 \times (- 2)} = \frac{- 91}{- 24} = 3 \frac{19}{24}$

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Similar questions

Find the value of:

(i) $(- 4) \div \frac{2}{3}$

(ii) $\frac{- 3}{5} \div 2$

(iii) $\frac{- 4}{5} \div - 3$

(iv) $\frac{- 1}{8} \div \frac{3}{4}$

(v) $\frac{- 2}{13} \div \frac{1}{7}$

(vi) $\frac{- 7}{12} \div \frac{- 2}{13}$

(vii) $\frac{3}{13} \div \frac{- 4}{65}$

Question 4 (v)

Find the value of:
$\frac{- 2}{13} \div \frac{1}{7}$

Re-arrange suitably and find the sum in each of the following :

(i) $\frac{11}{12} + \frac{- 17}{3} + \frac{11}{2} + \frac{- 25}{2}$

(ii) $\frac{- 6}{7} + \frac{- 5}{6} + \frac{- 4}{9} + \frac{- 15}{7}$

(iii) $\frac{3}{5} + \frac{7}{3} + \frac{9}{5} + \frac{- 13}{15} + \frac{- 7}{3}$

(iv) $\frac{4}{13} + \frac{- 5}{8} + \frac{- 8}{13} + \frac{9}{13}$

(v) $\frac{2}{3} + \frac{- 4}{5} + \frac{1}{3} + \frac{2}{5}$

(vi) $\frac{1}{8} + \frac{5}{12} + \frac{2}{7} + \frac{7}{12} + \frac{9}{7} + \frac{- 5}{16}$

Q. Find the value of the following:

(\frac{7}{8} + \frac{3}{4}) \div \frac{13}{12}

Q. Find the value of

(1 \frac{3}{5} - \frac{2}{3} \div \frac{12}{13} + \frac{7}{5} \times \frac{1}{3})

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Formation of Algebraic Expressions

Standard VI Mathematics

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