2 1/2 - 1/3 × 6/7 = TOLONG PAKE CARA

2 1/2 - 1/3 x 6/7
5/2 - 1/3 x 6/7
15/6 - 2/6 x 6/7
13/6 x 6/7
78/42 = 1 36/42 = 1 6/7

1/3 x 6/7= 2/7
2 1per2 =5/2
=5/2-2/7
=5/7
SEMOGA BENAR
#SELALU SEMANGAT