cara dari soal 1 2/5-2 1/2=

Ans :

1 2/5 = ( 2 x 5 ) + 1 = 10 + 1 = 11/5
2½ = ( 2 x 2 ) + 1 = 4 + 1 = 5/2

Maka :
1 2/5 - 2½
= 11/5 - 5/2
= 22/10 - 25/10
= -3/10


I HOPE THIS HELPS