tolong di jawab yg no 6 dan 7 makasih

jawab
pecahan

6,

4 ¹/₃ + 8/9 =
= 4 + ¹/₃ + ⁸/₉
= 4 + ³/₉ + ⁸/₉
= 4 + ¹¹/₉ 
= 4 + 1 + ²/₉
= 5²/₉

7.

4¹/₂ + 2⁵/₆=
= 4 + 2 + ¹/₂ + ⁵/₆
= 6 + ³/₆+ ⁵/₆
= 6 + ⁸/₆
= 6 + 1 + ²/₆
= 7 + ²/₆
= 7 ¹/₃