The numbers are : 0.64, 2/3, 65%, 7/10
Now, 2/3 = 0.66
And 7/10 = 0.7
65% = 65/100 = 0.65
Now, we write the numbers in ascending order i.e. from smaller number to bigger number:
0.64 < 0.65 < 0.66 < 0.70
Therefore, the numbers from least to greatest are :
0.64, 65%, 2/3, 7/10
