Expressed as a proper fraction in its simplest form, 3/80 + 13/80 = 1/5 or one fifth.
3/8 + 3/10 = 30/80 + 24/80 = 54/80 = 27/40
1/6 plus 3/8 is 13/24
The sum of 3/14 and 13/21 is 5/6.
It is: 13/21
It is: 13/30
9/26 + 3/13 = 195/338 which reduces to 15/26
3/4+1/3= 9/12+4/12= 13/12
1.75 or 13/4
1 13/20
It is: 3/11 plus 10/11 = 13/11 or 1 and 2/11
13/9 or 11/3
13 x 3 JHC!