2/4+5/2+3/5 jumlahakan dan sederhanahan

=> 2/4 + 5/2 + 3/5
=> 10/20 + 50/20+ 12/20
=> 72/20
=> 36/10
=> 18/5
=> 3 3/5

2/4+5/2+3/5
= 2/4+5/2
= 2/4+5*2/2*2
= 2/4+10/4
= 8/40
= 8/40+3*8/5*8
= 8/40+24/40
= 32/80
= 4/10
= 2/5