Question

B = \(\left(-\frac{5}{9}\right)\cdot\frac{3}{11}+\left(-\frac{13}{18}\right)\cdot\frac{3}{11}\)

Answer 1

\(B=\left(-\frac{5}{9}\right).\frac{3}{11}+\left(-\frac{13}{18}\right).\frac{3}{11}\)

\(=\frac{3}{11}.\left[\left(-\frac{5}{9}\right)+\left(-\frac{13}{18}\right)\right]\)

\(=\frac{3}{11}.\left[\left(-\frac{10}{18}\right)+\left(-\frac{13}{18}\right)\right]\)

\(=\frac{3}{11}.\frac{-23}{18}\)

\(=-\frac{23}{66}\)

Answer 2

\(B=\left(-\frac{5}{9}\right).\frac{3}{11}+\left(-\frac{13}{18}\right).\frac{3}{11}\)

\(B=\left[-\frac{5}{9}+\left(-\frac{13}{18}\right)\right].\frac{3}{11}\)

\(B=-\frac{23}{18}.\frac{3}{11}\)

\(B=-\frac{23}{66}\)