puteți sa ma ajutați ??????!

Răspuns:
a) Simplificare prin 2:
4/10—›2/5;
12/8—›6/4—›3/2;
24/38—›12/19;
36/44—›18/22—›9/11;
200/400—›100/200—›50/100
—›25/50.
c) Simplificare prin 5:
15/20—›3/4;
30/45—›6/9;
35/10—›7/2;
50/75—›10/15—›2/3;
100/200—›20/40—›4/8.
a) 4/10=2/5
12/8=6/4=3/2
24/38=12/19
36/44=18/22=9/11
200/400=100/200=50/100=25/50
b) 6/9=2/3
12/27=4/9
21/18=7/6
30/42=10/14
120/300=40/100
c) 15/20=3/4
30/45=10/15
50/75=10/15=2/3
100/200=20/40=4/8