MajidM506050
MajidM506050
25-10-2022
Mathematics
contestada
what is 3 8/9 + 8 1/2
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DesmondM210092
DesmondM210092
25-10-2022
[tex]\begin{gathered} 3\frac{8}{9}+8\frac{1}{2}=\frac{3\cdot9+8}{9}+\frac{2\cdot8+1}{2} \\ =\frac{27+8}{9}+\frac{16+1}{2} \\ =\frac{35}{9}+\frac{17}{2} \\ \\ =\frac{35\cdot2+17\cdot9}{9\cdot2} \\ =\frac{70+153}{18} \\ =\frac{223}{18} \\ =12\frac{7}{8} \end{gathered}[/tex]
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