Matematika 3 1/7 + 4 3/7 = penjumlahan​

3 1/7 + 4 3/7 = penjumlahan​

[tex]{\sf{1.) \: 3 \: \frac{1}{7} \: + \: 4 \: \frac{3}{7} }}[/tex]

[tex]{\sf{ = \: \frac{22}{7} \: + \: \frac{31}{7} }}[/tex]

[tex]{\sf{ = \: \frac{( \: 22 \: \times \: 7 \: ) \: + \: ( \: 31 \: \times \: 7 \: )}{7 \: \times \: 7} }}[/tex]

[tex]{\sf{ = \: \frac{154 \: + \: 217}{49} }}[/tex]

[tex]{\bf{ = \: \frac{371}{49} }}[/tex]

[tex]{\sf{ = \: \frac{371 \: \div \: 7}{49 \: \div \: 7} }}[/tex]

[tex]{\bf{ = \: \frac{53}{7} }}[/tex]

[tex]\boxed{\sf{{ \bf{ = \: 7 \: \frac{4}{7} }}}}[/tex]

[tex]\bf\sf3\frac{1}{7} + 4\frac{3}{7} = \color{red} 7 \frac{4}{7}[/tex]

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Detail Jawaban

Kelas : 5 SD

Mapel : Matematika

Materi : Pecahan

Kode soal : 2

Kode kategorisasi : 5.2.5

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