Problem

$8$ Which of the following pairs of rational numbers are equivalent?
$\left(i\right)$ $\dfrac {7} {8}$ $\dfrac {5} {-6}$ $\left(ii\right)$ $\dfrac {15} {21},\dfrac {10} {14}$ $\left(iii\right)$ $\dfrac {3} {18}$ $\dfrac {1} {6}$ $\left(iv\right)$ $\dfrac {8} {24}$ $\dfrac {5} {16}$
$Ex$ $mross$ following rational numbers in the sta ard form.

7th-9th grade

Other

Solution

Qanda teacher - Bhanu

Student

it is not the correct answer

first and second are equivalent

Qanda teacher - Bhanu

please check the solution

in the first bit

one fraction is negative

and other is positive

how they can be equivalent

Student

but in my book I first and second are equivalent

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