Converting between Fractions and Decimals
[Pages:3]Converting between Fractions and Decimals
PART A: Converting Fractions to Decimals
All fractions (proper, improper and mixed) can be converted to a decimal number.
To convert a proper or improper fraction to a decimal, divide the numerator by the denominator.
Note: proper fractions (and the decimal equivalents) are always greater than zero but less than 1.
Improper fractions (and the decimal equivalents) are always greater than 1.
Examples:
To convert a mixed number to a decimal, divide the numerator by the denominator of the fraction part and add the whole part.
Note: Mixed numbers (and the decimal equivalents) are always greater than 1.
1. Convert the following fractions to a decimal number.
a) (to the nearest hundredth) =
f)
(to the nearest hundredth) =
b) 3 (to the nearest hundredth) =
g)
(exactly) =
c) (exactly) =
h)
(exactly) =
d) (exactly) =
i)
(to the nearest thousandth) =
e) (to the nearest hundredth) =
j)
(exactly) =
Tutoring and Learning Centre, George Brown College YEAR
georgebrown.ca/tlc
Converting between Fractions and Decimals
PART B: Converting Decimals to Fractions
All decimals can be converted to a fraction and/or mixed number.
1. Write the decimal as a fraction with a denominator of 1.
Examples:
2. Multiply the numerator and denominator by a power of ten to make the decimal a whole number.
3. Reduce if possible. Remember to change all improper fractions to a mixed number.
Cannot be reduced
2. Convert the following decimals to a fraction.
a) 0.79 =
f) 2.008 =
b) 1.05 =
g) 0.02 =
c) 0.083 =
h) 19.3 =
d) 15.34 =
i) 0.005 =
e) 100.6 =
j) 34.54 =
3. Solve using long division and write the final answer as a fraction.
a) 5634 ? 25 =
c) 78523 ? 50 =
b) 96451 ? 13 =
d) 10432 ? 89 =
Tutoring and Learning Centre, George Brown College YEAR
georgebrown.ca/tlc
Converting between Fractions and Decimals
SOLUTIONS: 1. Convert the following fractions to a decimal number.
a) (to the nearest hundredth) = 0.83
f)
(to the nearest hundredth) = 1.21
b) 3 (to the nearest hundredth) = 3.88 g)
(exactly) = 3
c) (exactly) = 0.04
h)
(exactly) = 6
d) (exactly) = 3.5
i)
(to the nearest thousandth) = 5.54
e) (to the nearest hundredth) = 4.33 j)
(exactly) = 38.95
2. Convert the following decimals to a fraction. Reduce where possible.
a) 0.79 = 79/100
f) 2.008 = 2 1/125
b) 1.05 = 1 1/20
g) 0.02 = 1/50
c) 0.083 = 83/1000
h) 19.3 = 19 3/100
d) 15.34 = 15 17/50
i) 0.005 = 1/200
e) 100.6 = 100 3/5
j) 34.54 = 34 27/50
3. Solve using long division and write the final answer as a fraction.
a) 5634 ? 25 = 225 4/25 b) 96451 ? 13 = 7419 4/13
c) 78523 ? 50 = 157 23/50 d) 10432 ? 89 = 117 19/89
Tutoring and Learning Centre, George Brown College YEAR
georgebrown.ca/tlc
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