Question

Lliana was part of a group that was working on changing 0.4 to fraction. Each member o the group had a different answer. Which answer is correct?
A) 2/5
B) 4/10

Answer 1

Answer:

Both are correct.

A) A decimal fraction

B) A common fraction

Step-by-step explanation:

1 step. Write down 0.4 divided by 1:

$\dfrac{0.4}{1}.$

2 step. Multiply both top and bottom by 10 (because there are 1 digit after the decimal point):

$\dfrac{0.4}{1}=\dfrac{0.4\cdot 10}{1\cdot 10}=\dfrac{4}{10}.$

This fraction is called a decimal fraction.

3 step. Simplify the decimal fraction:

$\dfrac{4}{10}=\dfrac{2\cdot 2}{2\cdot 5}=\dfrac{2}{5}.$

This fraction is called a common fraction.

Answer 2

Answer:

The answer is C) 4/9

Step-by-step explanation: