How do you write 138 as a decimal?

3 Answers
Aug 5, 2017

1.375

Explanation:

First, we have to convert it to a fractional number.

=> 138

=> (18)+38

=>8+38

=> 118

Now we can easily convert it to a decimal by dividing by 8

The answer in decimal is 1.375

Aug 5, 2017

138=1.375

Explanation:

Decimal notation is a way of writing fractions which have their denominators as powers of 10

Change 138 into a fraction with a power of 10 in the denominator.

It helps to know that 8×125=1000

1+38×125125=1+3751000

The whole number is 1 and the fraction part is 3751000

138=1.375

See below

Explanation:

To turn a fraction to a decimal you need to know some rules.
138 must be turned into an improper fraction.

To do this you need to:

1 get the denominator (bottom number)
2 multiply it by your whole number and
3 add the numerator (top number) .

So step 1and2

8×1 will give you 8

Step 3
8+3 will give you 11

The next rule is to keep your denominator the same as it is on your given fraction which is 8 and on top for the numerator you need to have your total answer which is 11

Therefore:
118 is your fraction that needs to be turned into a decimal.

To do this you simply d1vide 11 by 8

118=1.375

Hope this gave you an idea of how to turn any fraction into a decimal. You can do this with any fraction.
E.g. 48=0.5
945=0.2
749=0.143