4 4/9 + 5 2/6 = jawab yang benar y

4 4/9 = 40/9 = 80/18
5 2/6 = 32/6 = 96/18

80/18 + 96/18 = 178/18 = 89/9 

[tex]4 \times \frac{4}{9} + 5 \times \frac{2}{6} = \frac{40}{9} + \frac{32}{6} = \frac{240 + 288}{54} = \frac{528}{54} = \frac{88}{9} =9 \times \frac{8}{9} [/tex]