Divide :
314\dfrac{3}{14}143 ÷ 1142\dfrac{11}{42}4211
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We have:
=314÷1142=314×4211[Reciprocal of 1142 is 4211]=3×4214×11=3×31×11[Simplifying 42 and 14 ⇒ Divide by 14]=911\begin{array}{ll} \phantom{=} \dfrac{3}{14} ÷ \dfrac{11}{42} \\ = \dfrac{3}{14} \times \dfrac{42}{11} & [\text{Reciprocal of } \dfrac{11}{42} \text{ is } \dfrac{42}{11}] \\ = \dfrac{3 \times 42}{14 \times 11} \\ = \dfrac{3 \times 3}{1 \times 11} & \text{[Simplifying 42 and 14 ⇒ Divide by 14]} \\ = \dfrac{9}{11} \\ \end{array}=143÷4211=143×1142=14×113×42=1×113×3=119[Reciprocal of 4211 is 1142][Simplifying 42 and 14 ⇒ Divide by 14]
∴ The answer is 911\dfrac{9}{11}119
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Find the reciprocal of :
12518125\dfrac{1}{8}12581
12\dfrac{1}{2}21 ÷ 13\dfrac{1}{3}31
1 ÷ 6236\dfrac{2}{3}632
131313\dfrac{1}{3}1331 ÷ 10