aduceți urmatoarele fracti la cel mai mic numitor
comun:

Răspuns:
a)
4/15 x 4/4 = 16/60
7/12 x 5/5 = 35/60
b)
3/28 x 18/18 = 54/504
1/72 x 7/7 = 7/504
5/84 x 6/6 = 30/504
c)
3/16 x 15/15 = 45/240
1/48 x 5/5 = 5/240
7/80 x 3/3 = 21/240
d)
1/45 x 12/12 = 12/540
5/108 x 5/5 = 25/540