1per4+2per5+3per10 tolong pake cara

Pembahasan :
[tex] \frac{1}{4} + \frac{2}{5} + \frac{3}{10} \\ = \frac{5 + 8 + 6}{20} \\ = \frac{19}{20} [/tex]

Good Luck ^^

1/4+2/5+3/10 = 5/20+ 8/20+ 6/20
                     =19/20