It sounds like you're wondering why 
 turns into 1.5
 turns into 1.5
If so, then we can convert the fraction 
 to the decimal form 0.25
 to the decimal form 0.25
Then 0.25*6 = 1.5
In other words: 

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Here's another approach:

Note: To write fractions on a keyboard, use the slash symbol. So for example, the fraction 
 is the same as 6/4
 is the same as 6/4