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Use the Distributivity of Multiplication of Rational Numbers Over Their Addition to Simplify: 3 4 × ( 8 9 − 40 ) - Mathematics

Sum

Use the distributivity of multiplication of rational numbers over their addition to simplify: 

\[\frac{3}{4} \times \left( \frac{8}{9} - 40 \right)\]
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Solution

\[ \frac{3}{4} \times (\frac{8}{9} - 40) = \frac{3}{4} \times \frac{8}{9} - \frac{3}{4} \times 40 = \frac{2}{3} - 30 = \frac{2 - 90}{3} = \frac{- 88}{3}\]

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 1 Rational Numbers
Exercise 1.6 | Q 4.4 | Page 32
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