Question

Как это решить?
2 9/11+(-3 7/22)

Answer 1

2 9/11-3 7/22=31/11-3 7/22=31/11-73/22=-1/2

Answer 2

$2 \frac{9}{11} + ( - 3 \frac{7}{22} ) = 2 \frac{9}{11} - 3 \frac{7}{22} = \frac{31}{11} - \frac{73}{22} = \frac{62}{11} - \frac{73}{22} = - \frac{11}{22} = - \frac{1}{2}$