ada yg bisa bantu caranya?

5 2/5 + 3 3/4 : 2 1/2

5 2/5 = 27/5
3 3/4 = 15/4
2 1/2 = 5/2

hitung dulu nilai 3 3/4 : 2 1/2
= 3 3/4 : 2 1/2
= 15/4 : 5/2
= 15/4 x 2/5
= 30/20

jadi :
= 5 2/5 + 30/20
= 27/5 + 30/20
= 108/20 + 30/20 ...... (samakan penyebut) 
= 138/20
= 6 18/20
= 6 9/10 (A)