Fill in the blanks:
(i) $ \frac{-4}{13}-\frac{-3}{26}= $
(ii) $ \frac{-9}{14}+\ldots \ldots \ldots . . .=-1 $
(iii) $ \frac{-7}{9}+\ldots \ldots . . . .=3 $
(iv) ............ $ +\frac{15}{23}=4 $
To do :
We have to fill in the blanks.
Solution :
(i) Let the number in the blank be $x$.
This implies,
$\frac{-4}{13}-\frac{-3}{26}=x$
$x =\frac{-4}{13}+\frac{3}{26}$
$x = \frac{-4(2)+3(1)}{26}$
$x = \frac{(-8+3)}{26}$
$x = \frac{-5}{26}$
The required number is $\frac{-5}{26}$.
(ii) Let the number in the blank be $x$.
This implies,
$\frac{-9}{14}+x=-1$
$x =-1-\frac{-9}{14}$
$x=-1+\frac{9}{14}$
$x = \frac{-1(14)+9(1)}{14}$
$x=\frac{-14+9}{14}$
$x=\frac{-5}{14}$
The required number is $\frac{-5}{14}$.
(iii) Let the number in the blank be $x$.
This implies,
$\frac{-7}{9}+x=3$
$x =3-\frac{-7}{9}$
$x=3+\frac{7}{9}$
$x = \frac{3(9)+7(1)}{9}$
$x = \frac{(27+7)}{9}$
$x = \frac{34}{9}$
The required number is $\frac{34}{9}$.
(iv) Let the number in the blank be $x$.
This implies,
$x+\frac{15}{23}=4$
$x =4-\frac{15}{23}$
$x = \frac{4(23)-15(1)}{23}$
$x = \frac{(92-15)}{23}$
$x = \frac{77}{23}$
The required number is $\frac{77}{23}$.
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