1 13/20
4/20 + 2/13 = 92/260 or 23/65
It is: 13/30
(13/4) + (-5/2) =(13/4) + (-10/4) =(13-10)/4 = 3/4
2/9 + 1/2 is 13/18
3/2
1 13/20
1/4 + 2/13 = 13/52 + 8/52 = 21/52
4/20 + 2/13 = 92/260 or 23/65
It is 2 13/18.
13/16
It is: 13/21
It is: 13/30
7/13 + 2/7 = 75/91
1.75 or 13/4
(13/4) + (-5/2) =(13/4) + (-10/4) =(13-10)/4 = 3/4
13 and 12/8 = 14 and 1/2