Question

Write the umber 10.5 in the form a/b

Answer 1

Answer:

$\frac{21}{2}$

Step-by-step explanation:

The given number is 10.5.

We need to write the given number in the form of a/b.

Multiply an divide the given number by 10 to remove the decimal.

$10.5\times \frac{10}{10}$

$\frac{10.5\times 10}{10}$

$\frac{105}{10}$

It can be written as

$\frac{5\times 21}{5\times 2}$

Now cancel out common factors.

$\frac{21}{5}$

Therefore, the fraction form of given number is $\frac{21}{2}$.

Answer 2

The umber  10.5  can be written as

==>  21 / 2

==>  42 / 4

==>  63 / 6

==>  84 / 8

==>  105 / 10

and many, many other ways.

They ALL have the same value.