Answer :
To convert decimal into fraction count no of decimal places in decimal number.
Let it be x. Then multiply and divide the decimal number with 10x
(i) We have,
0.39 = 
(ii) We have,
0.750 = 
= 
= 
(iii) We have,
2.15 = 
= 
= 
(iv) We have,
7.010 = 
= 
= 
(v) We have,
9.90 = 
= 
= 
(vi) We have,
1.0001 = 
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