Question

somas algebricas 8/6-1/4=

Answer 1

Mmc = 12
8. 1
-- - ---
6./2. 4/3
16 - 3
13

Answer 2

8 - 1
6   4

8: 2   - 1
6: 2     4

4  - 1
3    4

mmc (3,4) = 12

3,4: 2
3,2: 2
3,1: 3
1,1      =2.2.3 = 12

16 - 3  =  13
  12         12

Resp.: 13
            12