Multiplying Fractions

Question 1:

1 9 × 1 6
1 54

Question 2:

1 5 × 1 7
1 35

Question 3:

3 4 × 1 9
3 36 = 1 12

Question 4:

1 2 × 1 9
1 18

Question 5:

1 2 × 9 10
9 20

Question 6:

3 8 × 9 11
27 88