Add the following rational numbers-12-17-9-17

Given : 12/17+ 9/17Here, the denominator are already same so we just need to add the numerator.So, 12/17+ 9/17=12+( 9)/170ex0ex=12 9/170ex0ex=3/17Hence, 12/17+ ...

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Standard VIII

Mathematics

Commutative Property of Rational Numbers

Add the follo...

Question

Add the following rational numbers:
$\frac{12}{17} + \frac{- 9}{17}$

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Solution

Given : $\frac{12}{17} + \frac{- 9}{17}$
Here, the denominator are already same so we just need to add the numerator.
So, $\frac{12}{17} + \frac{- 9}{17}$
$= \frac{12 + (- 9)}{17} = \frac{12 - 9}{17} = \frac{3}{17}$
Hence, $\frac{12}{17} + \frac{- 9}{17} = \frac{3}{17}$

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Add the following rational numbers:1217+-917

Given : 1217+-917Here, the denominator are already same so we just need to add the numerator.So, 1217+-917=12+(-9)17=12-917=317Hence, 1217+-917=317

Add the following rational numbers:
$\frac{12}{17} + \frac{- 9}{17}$

Given : $\frac{12}{17} + \frac{- 9}{17}$
Here, the denominator are already same so we just need to add the numerator.
So, $\frac{12}{17} + \frac{- 9}{17}$
$= \frac{12 + (- 9)}{17} = \frac{12 - 9}{17} = \frac{3}{17}$
Hence, $\frac{12}{17} + \frac{- 9}{17} = \frac{3}{17}$