volume
(2x5)x3
What is 30
5x5
25
1/5
5
3/4 + 1/4
1
1/4
.25
(5x4)x2
40
6x7
42
2/5
2r1
2/4 + 3/4
1 1/4
25/50
.50
(10x3)x5
150
9x6
54
5/78
15r3
6/12 x 1/2
1/2
3/4
.75
(13x6)x4
312
12x14
168
84/7
6/36 x 4/8
24/288
5/10
.50
(15x3)x19
855
14x18
252
81/9
9
50/100 x 8/24
1 160/240
124/1000
.124