Вычислите дробь 3/4-(1 1/3-1 1/6)

Question

Вычислите дробь 3/4-(1 1/3-1 1/6)

Answer 1

3/4-(22/6-11/6)=3/4-11/6=9/12-22/12=-13/12

Answer 2

1) 1 1/3  -  1 1/6 = 4/3  -  7/6  =(4 × 2  -  7 × 1)/6 = 8/6  -  7/6 =  1/6
2)3/4  -  1/6 =  (3 × 3  -  1 × 2)/12 = 9/12  -  2/12 =  7/12