Estimating
8/9 x 10/11
1x1= 1
2/3 x 1/4
2/12= 1/6
1/2 x 2_3/8
1_3/16
1/5 x 11
1/5x10= 2
3/4 x 2/3
6/12= 1/2
1_1/2 x 2/3
6/6= 1
4_11/12 x 3_1/10
5x3= 15
8/10 x 2/7
16/70= 8/35
1_7/8 x 4/5
1_1/2
3/6 x 17
3/6x3= 9
4/7 x 7/8
28/56= 1/2
3_3/4 x 2_4/5
10_1/2
10/12 x 35
10/12x36= 30
4/5 x 6
24/5= 4_4/5
3_1/3 x 1_1/5
45/15= 3/1 or 3
6/8 x 33
6/8x32= 24
5/6 x 15
75/6= 12_3/6= 12_1/2
6_2/3 x 3_3/10
22/1 or 22
Regular Multiply: 1_1/2 x 2/3 x 3/5
18/30= 3/5