Question

1) 7/12 + 5/6 + 1/3 =
2) 11/6 + 3/4 - 1/2 =
3) 5/4 + 7/6 - 2/3 =
4) 13/9 + 5/8 - 7/12 =​

Answer 1

Resposta:

1) 7/12 + 5/6 + 1/3 =

7/12+10/12+2/12=

7/12+10/12=17/12+2/12=19/12

2) 11/6 + 3/4 - 1/2 =

22/12+9/12-6/12=

22/12+9/12=

31/12-6/12=25/12

3) 5/4 + 7/6 - 2/3 =

15/12+14/12-4/12=

15/12+14/12=

29/12-4/12=25/12

4) 13/9 + 5/8 - 7/12 =

104/72+45/72-42/12=

104/72+45/72=

149/72-42/72=107/72