8 + 13 + 14 + 7 = 42
Chinese = 8/42
Simplified = 4/21
54. 30
^ ^
27 2. 10 3
^ ^
9 3. 5 2
^
3 3
They only have 3 and two in common when you fully factor them. 3×2= 6
6 is the greatest common factor.
821 divid 2 equals 410 but your not saying how many portions it is equal to