Arrange the following in ascending order. 4/7,5/9,2/5

The required ascending order is : 2/5 , 5/9 , 4/7.
L.C.M. of 7, 9 and 5 is 315
So, making the denominator of all the three numbers 315
180/315, 175/315, 126/315
Because the denominators of all three integers are the same, they will be ordered in ascending order in the same manner that their numerators are growing.
126 < 175 < 180
Therefore the ascending order is : 2/5 , 5/9 , 4/7

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