`5/2xx4=5xx2=10`
`2-7/8=16/8-7/8=9/8`
`9/4-2=9/4-8/4=1/4`
`5/6:2/7=5/6xx7/2=35/12`
\(\dfrac{5}{2}\times4=10\)
\(2-\dfrac{7}{8}=\dfrac{9}{8}\)
\(\dfrac{9}{4}-2=\dfrac{1}{4}\)
\(\dfrac{5}{6}:\dfrac{2}{7}=\dfrac{35}{12}\)
\(\dfrac{5}{2}\times4=\dfrac{5\times4}{2}=\dfrac{20}{2}=10\)
\(2-\dfrac{7}{8}=\dfrac{16}{8}-\dfrac{7}{8}=\dfrac{9}{8}\)
\(\dfrac{9}{4}-2=\dfrac{9}{4}-\dfrac{8}{4}=\dfrac{1}{4}\)
\(\dfrac{5}{6}:\dfrac{2}{7}=\dfrac{5}{6}\times\dfrac{7}{2}=\dfrac{35}{12}\)
\(=\dfrac{20}{2}=10\)
\(=\dfrac{16}{8}-\dfrac{7}{8}=\dfrac{9}{8}\)
\(=\dfrac{9}{4}-\dfrac{8}{4}=\dfrac{1}{4}\)
\(=\dfrac{5}{6}x\dfrac{7}{2}=\dfrac{35}{12}\)
\(\dfrac{5}{2}\times4=\dfrac{20}{2}=10\)
\(2-\dfrac{7}{8}=\dfrac{2}{1}-\dfrac{7}{8}=\dfrac{16}{8}-\dfrac{7}{8}=\dfrac{9}{8}\)
\(\dfrac{9}{4}-\dfrac{2}{1}=\dfrac{9}{4}-\dfrac{8}{4}=\dfrac{1}{4}\)
\(\dfrac{5}{6}:\dfrac{2}{7}=\dfrac{35}{12}\)
\(\dfrac{5x4}{2}=\dfrac{20}{2}=10\)
\(\dfrac{2}{1}-\dfrac{7}{8}=\dfrac{16}{8}-\dfrac{7}{8}=\dfrac{9}{8}\)
\(\dfrac{9}{4}-\dfrac{2}{1}=\dfrac{9}{4}-\dfrac{8}{4}=\dfrac{1}{4}\)
\(\dfrac{5}{6}x\dfrac{7}{2}=\dfrac{35}{12}\)
\(\dfrac{2}{5}\times4=\dfrac{2}{5}\times\dfrac{4}{1}=\dfrac{8}{5}\)
\(2-\dfrac{7}{8}=\dfrac{2}{1}-\dfrac{7}{8}=\dfrac{16}{8}-\dfrac{7}{8}=\dfrac{9}{8}\)
\(\dfrac{9}{4}-2=\dfrac{9}{4}-\dfrac{2}{1}=\dfrac{9}{4}-\dfrac{8}{4}=\dfrac{1}{4}\)
\(\dfrac{5}{6}:\dfrac{2}{7}=\dfrac{5}{6}\times\dfrac{7}{2}=\dfrac{35}{12}\)