Converting Fractions 2
3
4
we have looked at converting FRACTIONS to DECIMALS. We can also show fractions as PERCENTAGES.
PER CENT means OUT OF (per) 100 (cent)
is 75 % (the symbol for PERCENT)
Converting Fractions 2 - PERCENTAGES
To convert any FRACTION to a PERCENTAGE, first convert it to a DECIMAL.
3
10
is 0 . 3 as a decimal
Converting Fractions 2 - PERCENTAGES
With any decimal, it doesn’t matter how many zeroes we add to the numbers after the decimal point, as long as we write them after all the other numbers.0 . 3 = 0 . 3 0
= 0 . 3 0 0
= 0 . 3 0 0 0
and so on
Converting Fractions 2 - PERCENTAGES
For percent we only need 2 digits after the DECIMAL POINT.
0 . 3 = 0 . 3 0
multiply the number by 100 to get it to percentages
Remember: to x 100 we move the digits 2 places to the left.
0 . 3 0 x 100 = 30
Converting Fractions 2 - PERCENTAGES
0 . 3 = 0 . 3 0 = 30 %
Converting Fractions 2 - PERCENTAGES
0 . 7 3 = 73 %
0 . 8 9 = 89 %
if there are more than 2 numbers after the DECIMAL POINT, we use the same rules.
0 . 7 1 6 2 = 71 . 62 %
Converting Fractions 2 - PERCENTAGES
Common decimals and percentages:
0 . 1 10 %
0 . 2 20 %
0 . 5 50 %
0 . 9 90 %
0 . 25 25 %
1
10
1
5
1
2
9
10
1
4
Converting Fractions 2 - PERCENTAGES
Common decimals and percentages:
0 . 3 33 . 3 %
0 . 6 66 . 6 %
1
3
2
3
.
.
.
.
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