(3-3/7) ÷ (1/14 + 1/4)

Question

(3-3/7) ÷ (1/14 + 1/4)

Answer 1

21-3/7:2+7/28 = 18/7+9/28 = 18/7*28/9 = 2*4 = 8

Answer 2

(3-3/7)/(1/14+1/4)=x
1)3-3/7=2.571
2)1/14+1/4=0.071+0.25=0.321
3)2.571/0.321=8.009
Ответ: х=8.009