3 5/12 + 9 1/6 - 5 1/18​

Question

3 5/12 + 9 1/6 - 5 1/18​

Answer 1

1) 3 5/12+9 1/6= 3 5/12+9 2/12=12 7/12

2) 12 7/12 - 5 1/18=12 42/72-5 4/72=7 38/72=7 19/36

ответ: 7 19/36