Question

Arrange 12/7,13/9 and 7/5 in descending order.​

Answer 1

Answer:

LCM (7, 9, 5) = 315

$\frac{12}{7}$ = $\frac{12 x 45}{7 x 45}$ = $\frac{540}{315}$

$\frac{13}{9}$ = $\frac{13 x 35}{9 x 35}$ = $\frac{455}{315}$

$\frac{7}{5}$ = $\frac{7 x 63}{5 x 63}$ = $\frac{441}{315}$

540 > 455 > 441

So, $\frac{540}{315}$ > $\frac{455}{315}$ > $\frac{441}{315}$

So, $\frac{12}{7}$ > $\frac{13}{9}$ > $\frac{7}{5}$

Answer 2

Answer:

See below:

Step-by-step explanation:

As we are given that

12/7     13/9      7/5

lets divide these values, we get

1.71       1.44      1.4

Now arrange these value in descending order.   (i-e from higher to lower)

1.71        1.4         1.44

rewrite it in fraction form

12/7       7/5         13/9          (ANSWER)