Hasil penjumlahannya adalah:
a. 4/9 + 2/9 = 2/3.
b. 3/6 + 5/6 = 1 1/3.
c. 2 1/3 + 3/4 = 3 1/12.
d. 2/3 + 3 5/9 = 4 2/9.
e. 2/3 + 2 1/2 + 3 1/4 = 6 5/12.
Penjelasan dengan langkah-langkah:
Diketahui:
a. 4/9 + 2/9
b. 3/6 + 5/6
c. 2 1/3 + 3/4
d. 2/3 + 3 5/9
e. 2/3 + 2 1/2 + 3 1/4
Ditanya:
Tentukan hasil penjumlahan
Jawab:
a. 4/9 + 2/9
[tex]\frac{4}{9} +\frac{2}{9} =\frac{4+2}{9}[/tex]
[tex]=\frac{6}{9}[/tex]
[tex]=\frac{2}{3}[/tex]
b. 3/6 + 5/6
[tex]\frac{3}{6} +\frac{5}{6} =\frac{3+5}{6}[/tex]
[tex]=\frac{8}{6}[/tex]
[tex]=\frac{4}{3}[/tex]
[tex]=1\frac{1}{3}[/tex]
c. 2 1/3 + 3/4
[tex]2\frac{1}{3} +\frac{3}{4} =2\frac{4}{12} +\frac{9}{12}[/tex]
[tex]=2\frac{4+9}{12}[/tex]
[tex]=2\frac{13}{12}[/tex]
[tex]=3\frac{1}{12}[/tex]
d. 2/3 + 3 5/9
[tex]\frac{2}{3} +3\frac{5}{9} =\frac{6}{9} +3\frac{5}{9}[/tex]
[tex]=3\frac{6+5}{9}[/tex]
[tex]=3\frac{11}{9}[/tex]
[tex]=4\frac{2}{9}[/tex]
e. 2/3 + 2 1/2 + 3 1/4
[tex]\frac{2}{3} +2\frac{1}{2} +3\frac{1}{4} \\\\=2+3+\frac{8+6+3}{12} \\\\=5+\frac{17}{12} \\\\=6\frac{5}{12}[/tex]
Pelajari Lebih Lanjut
- Materi tentang bilangan pecahan dapat disimak juga di brainly.co.id/tugas/17151231
#BelajarBersamaBrainly
#SPJ4
[answer.2.content]