PercentDecimalFraction
1%0.011/100
5%0.051/20
10%0.11/10
12½%0.1251/8
20%0.21/5
25%0.251/4
331/3%0.333...1/3
50%0.51/2
75%0.753/4
80%0.84/5
90%0.99/10
99%0.9999/100
100%1
125%1.255/4
150%1.53/2
200%2



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Conversions!

From Percent to Decimal

To convert from percent to decimal division by 100 and also remove the % sign.

An easy method to division by 100 is to move the decimal suggest 2 areas to the left:


From Percent To Decimal
\"*\"
 relocate the decimal suggest 2 places to the left

Don\"t forget to eliminate the % sign!

From Decimal come PercentTo convert from decimal come percent main point by 100%

An easy way to multiply by 100 is to move the decimal point 2 places to the right:


From Decimal To Percent
\"*\"
move the decimal allude 2 areas to the right

Don\"t forget to include the % sign!

From portion to Decimal

To convert a portion to a decimal divide the peak number by the bottom number:


Example: To convert 0.75 to a fraction

StepsExample
First, write down the decimal \"over\" the number 1:

0.751

Multiply top and bottom by 10 because that every number ~ the decimal suggest (10 because that 1 number,100 for 2 numbers, etc):

0.75 × 1001 × 100

This renders a correctly developed fraction:

75100

Then leveling the fraction:

34


From fraction to Percentage

To transform a portion to a percentage divide the optimal number through the bottom number, then multiply the result by 100%


Example: convert 38 to a percentage

First division 3 through 8: 3 ÷ 8 = 0.375

Then main point by 100%: 0.375 × 100% = 37.5%

Answer: 38 = 37.5%


From percentage to Fraction

To convert a percent to a fraction, an initial convert come a decimal (divide by 100), then usage the steps for converting decimal to fractions (like above).


Example: To convert 80% to a fraction

StepsExample
Convert 80% to a decimal (=80/100):

0.8

Write under the decimal \"over\" the number 1:

0.81

Multiply top and also bottom through 10 because that every number after the decimal point (10 because that 1 number,100 for 2 numbers, etc):

0.8 × 101 × 10

This makes a correctly developed fraction:

810

Then leveling the fraction:

45




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