What is mixednumber 3.9 ?

The solution to mixednumber 3.9 is 3 9/10

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Popular >

Convert to a Mixed Number 3.9

Solution

mixed number

3.9

Solution

3 \frac{9}{10}

Solution steps

3.9

Rewrite as

= 3 + 0.9

Convert

0.9

to a fraction:

\frac{9}{10}

0.9

Multiply and divide by 10 for every number after the decimal point

There is

1

digit to the right of the decimal point, therefore multiply and divide by

10

= \frac{0.9 \cdot 10}{10}

= \frac{9}{10}

Reduce the fraction

\frac{9}{10} : \frac{9}{10}

\frac{9}{10}

Find a common factor of

9

and

10

in order to cancel it out

Greatest Common Divisor of

9, 10 : 1

9, 10

Greatest Common Divisor (GCD)

Prime factorization of

9 : 3 \cdot 3

9

9

divides by

39 = 3 \cdot 3

= 3 \cdot 3

Prime factorization of

10 : 2 \cdot 5

10

10

divides by

210 = 5 \cdot 2

= 2 \cdot 5

2, 5

are all prime numbers, therefore no further factorization is possible

= 2 \cdot 5

No common factor for

9

and

10

therefore the GCD is 1

= 1

The GCD is 1, therefore the fraction cannot be simplified

= \frac{9}{10}

= \frac{9}{10}

= 3 + \frac{9}{10}

= 3 \frac{9}{10}

Popular Examples

Convert to a Mixed Number 2.375 mixed number

2.375

Convert to a Mixed Number 19/3 mixed number

\frac{19}{3}

Convert to a Mixed Number 26/7 mixed number

\frac{26}{7}

Divide Using Long Division 21÷8 long division

\frac{21}{8}

Multiply 10.5*20 long multiplication

10.5 \cdot 20

Frequently Asked Questions (FAQ)

What is mixednumber 3.9 ?
The solution to mixednumber 3.9 is 3 9/10