Order of Operations/PEMDAS
2(10)
3x10
30
1/2 + 1/2
1 OR 2/2
2(2+3)
10
6x5
30
7/10 + 5/10
12/10
14
10x11
110
1/2 + 3/4
5/4
10 + 4(2-1)
14
12x12
144
7/6 x 3/4
21/24 > simplify to 7/8
2(2+3) - 2(1+2)
15x12
180
8/10 x 7/6
56/60 > simplify to 14/15