6th grade math
posted by Carol .
3/4x2/3x=2/5

3/4x2/3x=2/5
3/4 = 9/12
2/3 = 8/12
9/12x  8/12x = 2/5
1/12x = 2/5
x = (2/5) / (1/12)
x = (2/5) * (12/1)
x = 24/5 = 4 4/5 
Which of the following numbers is the greatest? 98.47 9.847 489.7 984.7

98.470
9.847
489.700
984.700
Now look at the problem. Can you decide which number is greater now?