0.5 or 1/2
10 thenths are in a whole
2 and 1/2 2.5
1/5 = 2/10
3+1+3+3+3+4+3+4+1+1+1+1+1+1+5+6 =41 Every operation is addition so all the adding can happen in one step.
It is 77
It is 123.99
2/5 x 10/3 = 20/15 = 4/3
it equals 62
0ne half added to 3 thenths = 3
1/4 minus 2/5 minus 3/10 is equal to -0.45 or -9/20
76