P-3-2 p-A- 13 p -21B-C- 10-27D- 17 F -21

The correct option is A 13p/21LCM of denominators 3 and 7 is 21. p/3 +2p/7 = 7p/21 +6p/21 nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp;=13p/2 ...

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Standard VII

Mathematics

Algebraic Identities

p/3+2 p/ħ=A. ...

Question

$\frac{p}{3} + \frac{2 p}{7} =$ ______

\frac{13 p}{21}

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\frac{2 p}{3}

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\frac{16 p}{21}

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\frac{17 p}{21}

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Solution

The correct option is A $\frac{13 p}{21}$
LCM of denominators 3 and 7 is 21.

$\frac{p}{3} + \frac{2 p}{7} = \frac{7 p}{21} + \frac{6 p}{21}$
$= \frac{13 p}{21}$

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p3+2p7= ______

The correct option is A 13p21LCM of denominators 3 and 7 is 21. p3+2p7=7p21+6p21 =13p21

$\frac{p}{3} + \frac{2 p}{7} =$ ______

The correct option is A $\frac{13 p}{21}$
LCM of denominators 3 and 7 is 21.

$\frac{p}{3} + \frac{2 p}{7} = \frac{7 p}{21} + \frac{6 p}{21}$
$= \frac{13 p}{21}$