How do you turn a decimal or a fraction into a percent

Question

I need help with math. It is ver confusing thank you

Answer 1

Start with a decimal, that's the easier one.

 

To change a decimal to a percent, just move the decimal point to the right two places, and put the percent sign after it.  So for example, a decimal like .1234 would become 12.34%.

 

If the decimal only has one place after the decimal point, add on a 0 after the one place first.  For example, if you have .2, first make it .20, and then move the decimal point two places to the right:  20%.  (Remember, if there are no digits to the right of the decimal point, you generally can just get rid of the decimal point altogether -- though in the future you'll learn that there are reasons to leave it there in some cases.)  So .2 could be written as 20% or 20.% or 20.0% and they all mean the same thing.

 

To convert a fraction to a percent, you first have to convert the fraction to a decimal, and then follow the same rule as above.  For example, 1/4 = .25, so that becomes 25%.

 

If you don't know the decimal value of the fraction just by looking, you have to division to convert the fraction to a decimal.  For example, it's not obvious what the decimal equivalent of 5/13 is, so you have to divide 5 by 13 and get the decimal value -- .3846....  Then follow the same rule as above, so that would become 38.46%.