Question

(9/15+ 8/11) + 6/15=

(26/17+15/34) + ( 8/17 + 19/34) =

Answer 1

\(\left(\frac{9}{15}+\frac{8}{11}\right)+\frac{6}{15}=\left(\frac{9}{15}+\frac{6}{15}\right)+\frac{8}{11}\)

\(=1+\frac{8}{11}=\frac{19}{11}\)

\(\left(\frac{26}{17}+\frac{15}{34}\right)+\left(\frac{8}{17}+\frac{19}{34}\right)=\left(\frac{26}{17}+\frac{8}{17}\right)+\left(\frac{15}{34}+\frac{19}{34}\right)\)

\(=2+1=3\)

Answer 2

\(\left(\frac{9}{15}+\frac{8}{11}\right)+\frac{6}{15}\)

\(=\left(\frac{9}{15}+\frac{6}{15}\right)+\frac{8}{11}\)

\(=1+\frac{8}{11}\)

\(=\frac{19}{11}\)

\(\left(\frac{26}{17}+\frac{15}{34}\right)+\left(\frac{8}{17}+\frac{19}{34}\right)\)

\(=\frac{26}{17}+\frac{15}{34}+\frac{8}{17}+\frac{19}{34}\)

\(=\left(\frac{26}{17}+\frac{8}{17}\right)+\left(\frac{15}{34}+\frac{19}{34}\right)\)

\(=2+1\)

\(=3\)