jika ( 1/3 ) berbanding ( 5/7 ) maka ...

1/3 : 5/7
= ( 1/3 × 3 ) : ( 5/7 × 3 )
= 3/3 : 15/7
= 1 : 2 1/7
Atau
1/3 : 5/7
= ( 1/3 × 7/7 ) : ( 5/7 × 3/3 )
= 7/21 : 15/21
#$emogaMembantu ^_^

Bab Bilangan Pecahan
Matematika SD Kelas V

1/3 : 5/7 = 1/3 x 7/5
1/3 : 5/7 = 7/15
1/3 : 5/7 = 7 : 15