Nyatakan Hasil Operasi Hitung Bilangan Rasional Berikut Ke Bentuk Pecahan

b. 2,72 + 5/6 – 2 1/4

c. 12,50 – (3 2/3 + 0,75)

Jawaban:

a. 1/4 + 1/6 + 1/8

1/4 + 1/6 + 1/8 = (6 + 4 + 3)/24 = 13/24

b. 2,72 + 5/6 – 2 1/4

2,72 + 5/6 – 2 1/4 = 272/100 + 5/6 – 9/4

= 816/300 + 250/300 – 675/300

= 391/300

= 1 91/300

c. 12,50 – (3 2/3 + 0,75)