(4,5 × 2/9 -4/7):3цэлых 1/2

Question

(4,5 × 2/9 -4/7):3цэлых 1/2

Answer 1

\frac{6}{49} " alt=" =(\frac{9}{2}*\frac{2}{9}-\frac{4}{7}):3\frac{1}{2}=(1-\frac{4}{7}):\frac{7}{2}=\frac{3}{7}*\frac{2}{7}=\frac{6}{49} " align="absmiddle" class="latex-formula">