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Multiplication and Division of Rational Numbers

ii Find the p...

Question

Question 80 (ii)

Find the product of $\frac{- 22}{11}$ and $\frac{- 21}{11}$ .

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Solution

Given, $\frac{- 22}{11}$ and $\frac{- 21}{11}$
$∴$ Product of rational numbers = $\frac{P r o d u c t o f n u m e r a t o r s}{P r o d u c t o f d e n o m i n a t o r s} = \frac{(- 22) \times (- 21)}{11 \times 11} = \frac{462}{121} = \frac{462 \div 11}{121 \div 11} = \frac{42}{11}$

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Multiplication and Division of Rational Numbers

Standard VII Mathematics

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