5. Operasi pengurangan pecahan berikut

Jawaban:

B

Penjelasan dengan langkah-langkah:

a. 1,5 – 3/4 = 15/10 – 3/4

= ( 15/10 × 4) – ( 3/4 × 10)

= 60/40 – 30/40

= 30/40 ( Keci-Kan)

= 3/4 ( Salah)

b. 1 1/4 – 0,25 = 5/4 – 25/100

= 5/4 – (25 /100 : 25)

= 5/4 – 1/4

= 4/4

= 1 (Benar

c. 75% – 1/2 = 75/100 – 1/2

= 75/100 – (1/2 × 50)

= 75/100 – 50/100

= 15/100 ( Salah)

d. 2 1/4 – 1,5 = 9/4 – 15/10

= (9/4 × 10) – (15/10 × 4)

= 90/40 – 60/40

= 30/40 ( Ama Kayak a)

Jawaban:

maaf Klo salah/

semoga bermanfaat ^_^

jadikan yang terbaik ^_^