2 5/4 + 5 2/8 = 3 2/2 + 1 3/5 = pake jalan tolong

2 5/4 + 5 2/8 =
40/4 + 42/8 =
cari KPK penyebut
160/8 + 42/8= 118/8

3 2/2 + 1 3/5 =
8/2 + 8/5 =
cari KPK penyebut
40/10 + 16/10 = 24/10 = 6/1

----semoga membantu:)----

a.2 5/4 + 5 2/8=13/4+42/8
=26/8+42/8
=68/8
=17/2
=8 1/2
b 3 2/2+1 3/5=8/2+8/5
=40/10+16/10
=56/10
=28/5
=5 3/5