1. 57/4+62/5= 2. 8/7+2/4= 3. 25,175+1,30= 4. 42,27+2,832= 5. 7 2/9+5 2/5= 6. 8 2/4+5,15+2/3= 7. 3 2/3+5 3/2+1,2= Mohon dibantu ya kak, pake cara panjang

1. 57 x 5 62 x 4 285 248
—— + —— = —— + ——
4 x 5 5 x 4 20 20

533
= ——
20

2. 8/7 x 4 + 2/4 x 7 = 32/28 + 14/28
=46/28
ditulis sperti yg no 1 ya