Fractions, Decimals

1
Fractions, Decimals Percents

• Objective
• Express decimals and fractions as equivalent
  percents

2
Fractions, Decimals Percents

• A percent is a ratio that compares a number to
  100.
• Therefore, you can write a percentage as a
  fraction with a denominator of 100
• 5 can be written as

3
Try These

• Write each percent as a fraction or mixed number
• 35
• 125

4
Write as a decimal

• To write a percentage as a decimal, write the
  percent as a fraction with a denominator of 100,
  then divide to change the fraction to a decimal
• 9.7
• 62.5

5
Write a decimal as a

• To write a decimal as a percentage, write the
  decimal as a fraction with a denominator of 100,
  then write the fraction as a percent
• .333
• 0.45

6
Write a Fraction as a Percent

• To write a fraction as a ,divide the numerator
  by the denominator. Write the decimal as a
  percent

7
Biology

• About 45 of the people in the United States have
  type O blood. Express this ratio as a decimal and
  a fraction in simplest form