Question

Subtraction of rational number
49/81-7/9
​

Answer 1

Answer:

49/81 - 7/9

LCM=81

49×1/81×1 - 7×9/9×9

49/81 - 63/81

49-63/81

-86/81

Answer 2

GIVEN :-

It is given to subtract $\sf \frac{49}{81}$ – $\sf \frac{7}{9}$

SOLUTION :-

Subtraction;

$\frac{49}{81} - \frac{7}{9}$

$\implies \: \frac{49}{81}-\frac{63}{81}$

$\implies \: \frac{49-63}{81}$

$\implies \: -\frac{14}{81}$

Here,

$\longrightarrow \: -\frac{14}{81}\approx -0.172839506$

More Information :-

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