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Decimal fractions are commonly expressed without a denominator, the decimal separator being inserted into the numerator (with leading zeros added if needed), at the position from the right corresponding to the power of ten of the denominator in math.
e.g., 8/10, 83/100, 83/1000, and 8/10000 are expressed as: 0.8, 0.83, 0.083, and 0.0008.
Reading & Writing Decimals
Just as there are names for the columns to the left of a decimal point, there are names for each
column to the right of the decimal point.
LOOK AT THIS NUMBER: 6,703.472.

When you read the part of the number to the right of the decimal point, you use the name of
the last column to the right. For example, the number above is read:
Six thousand, seven hundred three and four hundred and seventy two thousandths. (There are
three numbers to the right of the decimal point, so you use the name of the third column -
thousandths.)
The number 243.78 would be read:
Two hundred forty three and seventy-eight hundredths. (There are only two numbers to the
right of the decimal point.)
HOW WOULD YOU READ THESE NUMBERS?
(1) 24,019.7 Twenty four thousand, nineteen and seven
(2) 313.296 Three hundred thirteen and two hundred ninety-six
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