Decimal fractions : Decimal fractions The fractions in which denominators are powers of 10 are called decimal fractions.
1/10,1/100,1/1000 etc are respectively the tenth,the hundredth and the thousandth part of 1.
7/10 is 7 tenths expressed in decimals as 0.7
13/100 is 13 hundredths expressed in decimals as 0.13
9/100 is 9 hundredths expressed in decimals as 0.09
4/1000 is 4 thousandths expressed in decimals as 0.004
And so on.
Conversion of decimal into fraction : Conversion of decimal into fraction For eg:
0.54=54/100
=27/50
For you to solve:
2.005=?
Addition and subtraction of decimal fractions : Addition and subtraction of decimal fractions For eg:
213+2.013+0.213+2.0013=?
sol:
213
2.013
0.213
+ 2.0013
-------------
217.2273
-------------
Slide 4 : For eg:
Subtract 16.3629 from 21.003
Sol:
21.0030
- 16.3629
-------------
4.6401
-------------
For you to solve:
1)3.045+3.28+0.039+7.6+0.2+2
2)Sub 8.2967 from 11.