Rewrite the following as like fractions (having the same denominator) and place them in order from least to greatest.

2/3 5/6 4/7

3/4 7/12 4/5

7/10 8/15 11/20

2/3, 5/6, 4/7common denominator is 42
2/3 = 28/42
5/6 = 35/42
4/7 = 24/42
least to greatest : 2/3, 5/6, 4/7

3/4, 7/12, 4/5common denominator is 60
3/4 = 45/60
7/12 = 35/60
4/5 = 48/60
least to greatest : 7/12, 3/4, 4/5

7/10, 8/15, 11/20common denominator is 60
7/10 = 42/60
8/15 = 32/60
11/20 = 33/60
least to greatest : 8/15, 11/20, 7/10