adding rational numbers
3/10 + 2/5
7/10
2/5 - 4/7
-6/35
-0.2 x -2/5
0.08
3/10 ÷ 6/7
-21/60
.25 x 1/2
1/8
0.20 + 3/5
4/5
2/5 - 3/9
1/15
3/4 x (-4/3)
-1
-5 ÷ 5/7
-7
3.75 + 1/4
4
2/3 + 7/9
13/9
-4/9 - 2/5
-38/45
-0.35 x -1 3/7
7/20
-2 3/4 ÷ 11
-1/4
0.4 + 1/0.5
2.4
1/3 + 0.75
13/12
2.1 – 3.9
-9/5
-3 5/7 x -2 1/2
52/35
-8/9 ÷ 2/3
-1 1/3
8/4 - 2/4
3/2
2/6 + 0.25
7/12
4/5 - 2/3
2/15
4 2/5 x 4/8
11/5
-4 2/7 ÷ -15/16
32/7
-6/7 - (-5/8)
-83/56