Cara mengubah pecahan biasa ke pecahan desimal
Asked by wiki @ in Matematika viewed by 192 People
Cara mengubah pecahan biasa ke desimal
Asked by wiki @ in Matematika viewed by 192 People
Cara mengubah pecahan biasa ke desimal
Answered by wiki @
Cara mengubah pecahan biasa ke desimal ada dua cara yaitu
Cara 1: membagi pembilang dengan penyebut
Cara 2: mengubah penyebut menjadi kelipatan 10, contoh:
Pecahan adalah salah satu bilangan rasional yaitu bilangan yang berbentuk dengan n dan m bilangan bulat, m ≠ 0.
Mengubah pecahan biasa menjadi pecahan desimal yaitu mengubah penyebut dari pecahan biasa menjadi 10, 100, 1000, dan seterusnya
Contoh:
1) ⇒ bilangan desimalnya 2 angka dibelakang koma
= 0,03
2) ⇒ bilangan desimalnya 1 angka dibelakang koma
= 3,7
3)
= 0,625
4)
= 1,75
5)
= 0,8
Mengubah pecahan biasa menjadi pecahan desimal dengan cara membagi pembilang dengan penyebut
Contoh
1)
= 3 ÷ 100
= 0,03
2)
= 37 ÷ 10
= 3,7
3)
= 5 ÷ 8
= 0,625
4)
= 7 ÷ 4
= 1,75
5)
= 4 ÷ 5
= 0,8
Contoh soal lain tentang pecahan
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Kelas : 3
Mapel : Matematika
Kategori : Pecahan
Kode : 3.2.7
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