Question

What is the least common denominator for the fractions and ?
9
18
27
36

Answer 1

$\\ \sf\longmapsto \dfrac{9}{18}$

• Cancel by 3

$\\ \sf\longmapsto \dfrac{3}{6}$

• Cancel by 2

$\\ \sf\longmapsto \dfrac{1}{2}$

#2

$\\ \sf\longmapsto \dfrac{27}{36}$

• Cancel 9

$\\ \sf\longmapsto \dfrac{3}{4}$

Hence the denominator will follow the rule 2n means a multiple of 2

Answer 2

_________________

1.

$=> \frac{9}{18}$

( Now, you have to cancel by 3

Then u will get)

$=> \frac{3}{6}$

( Now, you have to cancel by 2

Then u will get)

Then u will get :-

$=> \frac{1}{2}$

2.

$=> \frac{27}{36}$

(Now u have to cancel by 9..

Then u will get..)

Then ur answer will be :-

$=> \frac{3}{4}$

The least common denominator is 2..

__HOPE IT HELPS..__