Addition
Write four fifths
4/5
-8 x 7
-56
1/5 + 3/5
4/5
-12 x -0.9
10.8
-100/-25
4
simplify 10/30
1/3
-9.8 + -1.3
-11.1
-3.7/5
-0.74
7/5 - 3/10
11/10 OR 1 and 1/10
-5.12 + 421
5.5 - (-150)
155.5
-36.5 x -1.4
51.10
-6000/12
-500
3/5 + 2/15
11/15