Question

Reduza ao mesmo denominador as frações:
a)1/2 , 2/3 , 5/4 b)2/5 , 1/7 , 3/13?

Answer 1

a) 1/2, 2/3, 5/4   mmc= 12

6/12, 8/12, 15/12 *********

b) 2/5, 1/7, 3/13 mmc = 5*7*13 = 455

2*7*13 / 455, 1*5*13 /455, 3*5*7/455  >>

182/455,  65/455,  105/455  *******