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Ubah jadi pecahan biasa semua
Konsepnya a b/c = cxa+b
= 49/4 - 10/1 + 3/2
Samakan penyebut jd 4
= 49/4 -40/4 + 6/4
= 15/4
= 3 3/4
10. Caranya hitung biasa aja, hasilnya 8,59
11. 4 x 2 1/5
= 4 x 11/5
= 44/5
= 8 4/5
12. 27,5 % x 10
= 27,5/100 x 10
= 11/40 x 10
Bisa dicoret 10 sm 40 nya
Jdnya
= 11/4 = 2.75