fractions
20/36+16/36
1
10/5=
2
100+489
589
12x6
72
(13x2)+3
29
10 / 1/2
20
100 / 19
5.263
125+172
297
10x13
130
(30x9)-4
266
1x100/50
2
567/2
283.5
81+999
1080
24x4
168
81-(7x8)
25
1/3x5
1/3 or 5/15
923/39
23.67
703+942
1645
32x3
96
25x(8+9)
425
24x1/3
8
379/5
75.8
676741 + 57368462
58045203
5x250
1500
72-(3x7)/3
65