Math
posted by Angela .
Solve Mentally with conversion to decimals, no calculation of common denominators. Place the following in ascending order(smallest to largest)
1/4
8/9
7/10
9/21
7/16
2/3
2/47
5/6
3/4
3/5
1/13
1/8

Math 
Steve
do what was suggested. As decimals, you have
.25 .88 .70 .42 ...
then sort them as desired. 
Math 
Ms. Sue
Can you convert these fractions to decimals?
http://www.mathsisfun.com/convertingfractionsdecimals.html
http://math2.org/math/general/arithmetic/fradec.htm 
Math 
Angela
How would you solve this problem using mental math (no conversion to decimals, no calculations of common denominators)in ascending order. Explain how you placed each one
1/4
8/9
7/10
9/21
7/16
2/3
2/47
5/6
3/4
3/5
1/13
1/8 
Math 
Steve
Hmmm. Originally it said to use conversion to decimals. Now you say no conversion and no common denominators. Unless you have a really good feel for relative values of fractions, I don't see any tricks to use to sort such a list.
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