Question

4/7 - 7/18 помогите даю 15 баллов

Answer 1

4/7 - 7/18 = 72/126 - 49/126 = 23/126

Answer 2

$\frac{4}{ 7} - \frac{7}{18} = \frac{72 - 49}{126} = \frac{23}{126} = 0.1825396$