Percent, Decimal, Fraction Conversion Rules

How do you change a decimal to a fraction?

• Put it over the correct place value then simplify.

• Multiply the decimal by 100 and round it off.

• Add the decimal to the nearest whole number.

• Convert the decimal to a percentage first.

What is 0.75 as a percent?

• 50%

• 75%

• 80%

• 100%

How do you convert 0.04 to a fraction?

• Put it over 100 to get 4/100, then simplify to 1/25.

• Multiply by 10 to get 0.4, then put it over 10.

• Put it over 50 to get 2/50, then simplify to 1/25.

• Convert it to 4/10 and simplify to 2/5.

How do you change a fraction to a decimal?

• Multiply the numerator by the denominator.

• Add the numerator and denominator together.

• Divide the numerator by the denominator.

• Subtract the denominator from the numerator.

How do you convert 0.2 to a percent?

• Move the decimal point 2 times to the right to get 20%.

• Multiply by 100 to get 2%.

• Add 0.5 to get 50%.

• Subtract 0.1 to get 10%.

What is 0.5 as a fraction?

• 1/3

• 1/2

• 2/5

• 3/4

What is 90% as a decimal?

• 0.8

• 0.9

• 0.75

• 1.0

What is 25% as a decimal?

• 0.15

• 0.25

• 0.35

• 0.45

How do you convert 3/10 to a decimal?

• 0.2

• 0.3

• 0.5

• 0.7

How do you change a decimal to a percent?

• Move the decimal point 2 times to the right.

• Add a zero to the end of the decimal.

• Multiply the decimal by 10.

• Subtract 0.1 from the decimal.