Percent III
by Monica Yuskaitis
How to Change Fractions to
Percents
 Step 1 - Divide the denominator into
the numerator.
3
4
Stop! You can’t
divide a larger
number into a
smaller number!
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to
Percents
 Step 1 - Divide the denominator into
the numerator.
Sure you can if
you use decimals.
Just watch!
3
4
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to
Percents
 Step 2 – Add a decimal behind your
dividend and two zeros.
Now does it look
like you can divide?
3
4
4) 3.00
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to
Percents
 Step 3 – Place a decimal in your
quotient exactly above the decimal.
Putting the decimal in the
right spot is important.
3
4
.
4) 3.00
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to
Percents
 Step 4 – Divide exactly like you
would with long division.
Great
job!
3
4
.75
4) 3.00
28
20
20
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to
Percents

Step 5 – Move the decimal 2 places to
the right and change the decimal to a
percent sign.
Now wasn’t
3 = .75 %
4
Copyright © 2000 by Monica Yuskaitis
that easy!
Change this fraction to a percent
1 5) 1
5
The first step
is to divide the
denominator
into the
numerator.
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percent
1 5) 1.00
5
The second
step is to add
a decimal &
2 zeros after
the dividend.
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percent
The third step
is to place the
decimal in the
quotient
directly above
the decimal.
.
1 5) 1.00
5
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percent
.20
1 5) 1.00
5
10
00
00
0
The fourth
step is to
divide using
long division.
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percent
The fifth step
is to move the
decimal point
2 places to the
right and
change it to a
percent sign.
. 20%
1 5) 1.00
5
10
00
00
0
Copyright © 2000 by Monica Yuskaitis
Memorize These Equivalents
1
2
1
4
3
4
1
3
= 50%
= 25%
= 75%
= 33.3%
2
3
1
5
2
5
3
5
Copyright © 2000 by Monica Yuskaitis
= 66.6%
= 20%
= 40%
= 60%
What is the equivalent percent?
1
=
50%
2
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
1
=
25%
4
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
3
=
75%
4
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
1
=
33.3%
3
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
2
=
66.6%
3
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
1
=
20%
5
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
2
=
40%
5
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
3
=
60%
5
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?
4
=
80%
5
Copyright © 2000 by Monica Yuskaitis
Credits
Illustrations from:
 Corel Gallery by Corel Corp.
 Broderbund ClipArt T/Maker Co.
 Clipart
from “Microsoft Clip
Gallery” located on the Internet
at http://cgl.microsoft.com/
clipgallerylive/default.asp
Copyright © 2000 by Monica Yuskaitis