Answer:
9/10, 1 3/15, 1 6/10, 2 2/9
Explanation:
Let's make all the numbers a fraction.
1 6/10, 1 3/15, 9/10, 2 2/9
Find the LCD of the fractions.
1 6/10 = 144/90
1 3/15 = 108/90
9/10 = 81/90
2 2/9 = 200/90
Order the fractions least to greatest.
9/10, 1 3/15, 1 6/10, 2 2/9