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Ambar123
a fost răspuns

aduceti la acelasi numitor fractiile:
a] 1\4 si 1\6 ;b] 4\5 si 3\20; c] 5\12 ,4\9 si 7\15; d] 1\98 ,7\168 si 1\440.
Va rog frumos urgent!!!
dau coroana !!!
si 20 pcte

Răspuns :

Matthex
1/4 si 1/6

6/4*6 si 4/6*4
6/24 si 4/24

4/5 si 3/20

16/5*4 si 3/20
16/20 si 3/20

5/12, 4/9 si 7/15

75/12*15, 80/9*20 si 84/15*12
75/180, 80/180 si 84/180

1/98,7/168 si 1/440
660/98*660, 2695/168*385 si 147/440*147
660/64680, 2695/64680 si 147/64680