Question

tentukan hasil perkalian pecahan berikut dalam bentuk paling sederhana
a. 4/9 × 3/4=
b. 2/7 × 1/6=
c. 1 5/7 × 2/3=
d. 3/6 × 2 1/5=
e. 2 3/4 × 4=
f. 9 × 2/3=​

Answer 1

A. 4/9 x 3/4 = 3/9
= 1/3


b. 2/7 x 1/6 = 2/42
= 1/21


c. 1 5/7 x 1/6 = 12/7 x 2/3
= 4/7 x 2/1
= 8/7
= 1 1/7


d. 3/6 x 2 1/5 = 1/2 x 11/5
= 11/10
= 1 1/10


e. 2 3/4 x 4= 11/4 x 4
= 11


f. 9x2/3 = 3x2 = 6




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Answer 2

Penjelasan dengan langkah-langkah:

a. 4/9 × 3/4 = 12/36 : 4 = 3/9 : 3 = 1/3

b. 2/7 × 1/6 = 2/42 : 2 = 1/21

c. 1 5/7 × 2/3 = 12/7 × 2/3 = 24/21 : 3 = 8/7 atau 1 1/7

d. 3/6 × 2 1/5 = 3/6 × 11/5 = 33/30 : 3 = 11/10 atau 1 1/10

e. 2 3/4 × 4 = 11/4 × 4 = 11

f. 9 × 2/3 = 2 × 3 = 6

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