Divide:
1321÷27\dfrac{13}{21} ÷ \dfrac{2}{7}2113÷72
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⇒1321÷27⇒1321×72⇒132×721⇒132×13⇒136⇒216.\Rightarrow \dfrac{13}{21} ÷ \dfrac{2}{7}\\[1em] \Rightarrow \dfrac{13}{21} \times \dfrac{7}{2}\\[1em] \Rightarrow \dfrac{13}{2} \times \dfrac{7}{21} \\[1em] \Rightarrow \dfrac{13}{2} \times \dfrac{1}{3} \\[1em] \Rightarrow \dfrac{13}{6} \\[1em] \Rightarrow 2\dfrac{1}{6}.⇒2113÷72⇒2113×27⇒213×217⇒213×31⇒613⇒261.
Hence, 1321÷27=216\dfrac{13}{21} ÷ \dfrac{2}{7} = 2\dfrac{1}{6}2113÷72=261.
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Find the product :
316×234×24113\dfrac{1}{6} \times 2\dfrac{3}{4} \times 2\dfrac{4}{11}361×243×2114
Find the reciprocal of :
(i) 59\dfrac{5}{9}95
(ii) 713\dfrac{7}{13}137
(iii) 8
(iv) 15\dfrac{1}{5}51
(v) 3253\dfrac{2}{5}352
(vi) 8198\dfrac{1}{9}891
(vii) 5385\dfrac{3}{8}583
(viii) 23
318÷53\dfrac{1}{8} ÷ 5381÷5
1÷2351 ÷ 2\dfrac{3}{5}1÷253
