ft AKITHMETIG, 



Addition of Decimals, 



RULE. 



. I. Set the numbers under each other according to the, 

 value of their places, as in whole numbers, or so that the 

 decimal points may stand each directly under the pre- 

 ceding. 



2. Then add as in whole numbers, placing the decimal 

 point, in the sum, directly under the other points. 



EXAMPLES. 



7530 



l6*20I 



3-0142 



957-13 



6-72819 



•03014 



85i3'io353 



2. What IS the sum of 276, 39*213, 72014*9, 417, 

 5032 and 2214*298 ? Ans. 79993-411. 



3. What is the sum of -014, '9816, -32, '15914, 72913 

 and -0047 ? Ans. 2-20857. 



4. What is the sum of 27*148, 918-73, 14016, 294304, 

 • 7138 and 221*7 ? Ans. 309488*2918. 



5. Required the sum of 312*984, 2r39i8, 2700*42, 

 3*153, 27*2 and 581*06. Ans. 3646*20880 



Subtraction of Decimals, 



RULE. 



1. Set the less number under the greater in the sanie 

 manner as in addition. 



2. Then subtract as in whole numbers, and place the 

 decimal point in the remainder directly under the other 

 points. 



EXAMPLES. 



