Question

Which one is the greatest among,
7/3
4/9
and,
14/18 ???​

Answer 1

Answer:

4/9

Step-by-step explanation:

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Answer 2

Answer:

3/7<4/9

Step-by-step explanation:

A quick method is to cross multiply the fractions.

However, this only works if you multiply in the same direction every time.

Red x Red

first as shown below:

3

7

and

4

9

3

×

9

and

7

×

4

27

<

28

3

7

<

4

9

An alternative method is to get rid of the denominators

×

L

C

D

which in this case is 63

63

9

1

×

3

7

and

63

7

1

×

4

9

27

<

28

3

7

<

4

9

Worst method - use a calculator!

Use a calculator to change them into decimals, then compare.

3

7

=

0.42857

...

.

←

smaller

4

9

=

0.44444

...

←

larger

You can also use a calculator to subtract the two fractions.

If you get a positive answer, then the first fraction was bigger.

If you get a negative answer then the first fraction was smaller.