[Kunci Jawaban] Tentukan hasil penjumlahan berikut. a. 4/9 + 2/9 b. 3/6 + 5/6

Pertanyaan:

Tentukan hasil penjumlahan berikut.
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

(Soal Latihan Bab Bilangan Mata Pelajaran Matematika BSE Kurikulum 2013 (Revisi 2016) Semester 1 Kelas 7, Kemendikbud)

Jawaban:
a. 4/9 + 2/9 = 6/9 = 2/3
b. 3/6 + 5/6 = 8/6 = 1 2/6
c. 2 1/3 + 3/4 = 7/3 + 3/4 = 28/12 + 9/12 = 37/12 = 3 1/12
d. 2/3 + 3 5/9 = 2/3 + 32/9 = 6/9 = 32/9 = 38/9 = 4 2/9
e. 2/3 + 2 1/2 + 3 1/4 = 2/3 + 5/2 + 13/4 = 8/12 + 30/12 + 39/12 = 77/12 = 6 5/12

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