Question

Simplificati fractiile pana cand devin fracti ireductibile a)81/45 b)210/180 c)340/170 d)2010/630 e)85/300 f)2500/7200 g)4500/7200 h)4200/2700

Answer 1

a)81/45=9/5
210/180=70/60=35/30=7/6
340/170=68/34=34/17
2010/630=42/126=21/63=7/21
85/300=17/60
2500/7200=500/1440=100/288=50/144=25/72
4500/7200=500/800=250/400=50/80=25/40=5/8
4200/2700=840/540=420/270=140/90=70/45=14/9

Answer 2

a) 81/45   simplificam prin 9 =》 9/5
 
b)210/180 simplificam prin 30 =》 7/6

c) 340/170 simplificam prin 20 =》 17/1 = 17

d) 2010/630 simplificam prin 5 =》 402/126 simplificam prin 3 => 134/42 => 67/21

e) 85/300 simplificăm prin 5 => 17/60 
 
f)2500/7200 simplificam prin 100 =》 25/72

g) 4500/7200 simplificam prin 100 =》 45/72 simplificam prin 9 =》 5/8

h) 4200/2700 simplificam prin 100 =》 42/27 simplificam prin 3 =》 14/9