jumlah 56 1/2 + 42 3/5 =

56 ½ + 42 3/5

= 113/2 + 213/5
= 565/10 + 426/10
= 991/10
= 99,1

Semoga membantu :)

56 1/2 + 42 3/5 = (56+42) + (1/2+3/5) = 98 + ( 5/10+6/10) = 98 + (11/10) = 98+ 1 1/10 = 99 1/10 atau 99,1
SEMOGA BENAR