arrange the fractions in descending order 5/8,7/10,4/9,2/7,1/5
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LCM(5,7,9)=315
3/5=3*63/315=189/315
4/7=4*45/315=180/315
8/9=8*35/315=280/315
Ascending order:
280/315 >189/315>180/315
0.88…..>0.6>0.571428
Now 9/11=0.8181..,
Or 8/9>9/11>3/5>4/7
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