a) 1 si 1
2 3
2=2
3=3
c.m.m.m.c.=2x3=6
6:2=3
amplificam fractia 1 cu 3⇒3
2 6
6:3=2
amplificam fractia 1 cu 2⇒2
3 6
b)2 si 11
3 12
3=3
12=2^2x3
c.m.m.m.c.=2^2x3=4x3=12
12:3=4
amplificam fractia 2 cu 4⇒8
3 12
12:12=1
nu mai amplificam fractia⇒11
12
c) 7 si 11
16 24
16=2^4
24=2^3x3
c.m.m.m.c.=2^4x3=96
48:16=3
amplificam fractia 7 cu 3⇒21
16 48
48:24=2
amplificam fractia 11 cu 2=22
24 24
d)2;4 si 20
3 9 24
3=3
9=3^2
24=2^3x3
c.m.m.m.c.=3^2x2^3=9x8=72
72:3=24
amplificam fractia 2 cu 24⇒48
3 72
72:9=8
amplificam fractia 4 cu 8⇒32
9 72
72:24=3
amplificam fractia 20 cu 3⇒60
24 72
e)11; 6 si 25
12 16 30
12=2^2x3
16=2^4
30=2x3x5
c.m.m.m.c.=2^4x3x5=80x3=240
240:12=20
amplificam fractia 11 cu 20⇒220
12 240
240:16=15
amplificam fractia 6 cu 15⇒ 90
16 240
240:30=80
amplificam fractia 25 cu 8⇒200
30 240
Coroana, te rog!
