2/3 x 3/4 = 2 3/9c 1 3/7 = 2 4/6 x 1 3/8 = 3 5/6 x 13/8 = 4 7/8 x 2 1/9 =

⅔ × 3/4 = 6/12 = ½

2 3/9 × 1 3/7 = 21/9 × 10/7 = 210 / 63 = 10/3 = 3 ⅓

2 4/6 × 1 3/8 = 16/6 × 11/8 = 11/3

3 5/6 × 13/8 = 23/6 × 13/8 = 299/48 = 6 11/48

4 7/8 × 2 1/9 = 39/8 × 19/9 = 741 / 72 = 10 21/72