maths 4th grade
posted by montana .
In end of term tests Zanna got the following marks
mathematics 54/75
history 27/40
geography 39/50
english 48/60
french 25/40
art 15/20
what was her best subject
her 2nd best
her 3rd
her 4th
her 5th
her 6th
please show workings

You need to find the percentages for each of these classes.
For instance  mathematics  54 / 75 = 0.72 = 72%
Figure the others the same way and then compare the percentages. 
easiest way :
divide each fraction and compare their decimal representation
or (harder way)
if you have learned how to find a common denominator, change each fraction so they have a common denominator. Then you can easily compare them. 
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an