hasil 1/2+1/4-1/5 adalah

1/2 + 1/4 = 4/8 + 2/8 = 6/8
= 6/8 - 1/5 = 30/40 - 8/40 = 22/40
= 22/40 : 2 = 11/20
Smg ^_^ membantu

1/2 + 1/4 +1/5=....
=1/2 x 10/10 + 1/4 x 5/5 +1/5 x 4/4
=10/20 + 5/20 + 4/20
=19/20
mkshhh....