Answer:
2 , 3 , 1 , 4
Explanation:
Best way to convert fractions to decimals without a calculator is to look at denominator. 
divide 100 by the denominator. 
take your answer and multiply the numerator by that number. 
put a decimal in front of answer
example : 
 
100 divided by 20 is 5
5 times 7 is 35 
place a decimal in front of answer 
.35