\(\dfrac{21}{11}\times\dfrac{22}{17}\times\dfrac{68}{63}:\dfrac{4}{3}=\dfrac{21}{11}\times\dfrac{22}{17}\times\dfrac{68}{63}\times\dfrac{3}{4}=\dfrac{462}{187}\times\dfrac{204}{252}=\dfrac{42}{17}\times\dfrac{17}{21}=\dfrac{2}{1}=2\)
21/11 x 22/17 x 68/63 : 4/3
=( 21/11 x 22/17) x (68/63 : 4/3)
= 42/17 x 17/21
= 2/1 = 2
\(=\dfrac{21}{11}\times\dfrac{22}{17}\times\dfrac{68}{63}\times\dfrac{3}{4}=\dfrac{42}{17}\times\dfrac{17}{21}=\dfrac{42}{21}=\dfrac{2}{1}=2\)
\(\dfrac{21}{11}\)x\(\dfrac{22}{17}\)x\(\dfrac{68}{63}\):\(\dfrac{4}{3}\)
=\(\dfrac{21}{11}\)x\(\dfrac{22}{17}\)x\(\dfrac{68}{63}\)x\(\dfrac{4}{3}\)
=\(\dfrac{21}{3}\)x\(\dfrac{22}{11}\)x\(\dfrac{68}{17}\)x\(\dfrac{4}{63}\)
=7x2x4x\(\dfrac{4}{63}\)
-14x4x\(\dfrac{4}{63}\)
=56x\(\dfrac{4}{63}\)
=\(\dfrac{224}{63}\)
