MACHINE SHOP CALCULATION - OD1640 - LESSON 1/TASK 2
EXAMPLE
Add the following:
36.036, 7.004, 0.00236, 427, 723.0026
Write them down as in ordinary addition.
Watch the decimal points.
8.
Subtraction
Rule 1. First write the numbers so that the decimal points fall under each
other.
Subtract as in whole numbers.
Write the decimal point of the
remainder directly under the other decimal points.
EXAMPLE
Subtract 46.8324 from 437.421.
Write the number down as in ordinary
subtraction. Be sure to place the decimal points directly under each other.
9.
Rule 1. To multiply decimal fractions, multiply as in whole numbers. Then
count off from right to left as many decimal places in the product as there
were in both factors, and place the decimal point in front of the last place
counted off.
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