multiplying
2 x 2.5
=5
5/6
25 / 4
6.25
5 x 3.5
=17.5
3/4x5/6
15/24 or 5/8
23.6 / 5
4.72
1.6 x 7.2
=11.52
1/2+2/5x3/4
16/20 or 8/10 or 4/5
48.93 / 3000
0.02
1.36 x 2.5
=3.4
5/7x3/4x6/8
45/112
0.00345 / 0.3
0.0115
Drake or kendrick
drake clear
3/7 x 15/20 -20/10
470/280 or 1and 190/280
100/15
6.667