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Add the Following Rational Numbers: − 3 a N D 3 5 - Mathematics

Sum

Add the following rational numbers:

\[- 3 and \frac{3}{5}\]
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Solution

\[ - 3 + \frac{3}{5} = \frac{- 3}{1} + \frac{3}{5}\]
\[\text{The L.C.M. of denominators 1 and 5 is 5} . \]
\[\text{Now, we will express} \frac{- 3}{1} \text{in the form in which it takes the denominator 5} . \]
\[\frac{- 3 \times 5}{1 \times 5} = \frac{- 15}{5} \]
\[\text{So}\]
\[\frac{- 3}{1} + \frac{3}{5} = \frac{- 15}{5} + \frac{3}{5}\]
\[ = \frac{- 15 + 3}{5}\]
\[ = \frac{- 12}{5}\]

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 1 Rational Numbers
Exercise 1.1 | Q 2.3 | Page 6
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