May 20, 2009
Percents/Fractions/Decimals oh my!
By Jack Holder and Mac Major
May 20, 2009
Percents and Decimals
into Fractions
To change a percent into a fraction for
ex. you have 125% means 125 for every
100. So that means 125/100 which is
simplified to 1 1/4.
To change a decimal into a fraction you
must first
find the value, ex: if the number is .50
that is 50 out of 100 then you simplify
the fraction to 1/2. That is how you
change a decimal into a fraction!
%.
1. 7/50
2. 1/50
3. 1 17/20
Turn Each Percent or Decimal into a fraction
in simplest form.
1. 14%
2. 2%
3. 185%
4. .6
5. .06
May 20, 2009
Fractions and Decimals into Percents.
/.
1. 40%
2. 99%
3. 355%
To convert a decimal into a percent you move
the decimal over two places to the right. Ex. .
02 so you move the decimal two places to the
right
and you get 2%.
To change a fraction into a percent you first
change the fraction into a decimal then move
the decimal to the right two time to the right.
EX: 5/100 = .05 which is 5%.
Express each decimal as a percent.
1. .4
2. .99
3. .355
May 20, 2009
Fractions and Percents into
Decimals.
To convert a fraction into a decimal you
divide the numerator by the denominator.
Ex. 2/4 2 divided by 4 which equals .5
To convert a Percent into a decimal you move the
decimal two places to the left. Ex. 54% =
Express each fraction as a decimal.
1. 3/4
2. 2/5
3. 3/6
1. .75
2. .40
3. .5
1. .6
2. .35
3. .03
Express each percent as a decimal.
1. 60%
2. 35%
3. 3%
May 20, 2009
THE ENd
spinaround
VANDY