Insert a rational number between 1/2 and 1/3 by mean method?

Step-by-step explanation:

To find a rational number by the mean method.

Add the 2 fractions and divide the result by 2

+

To add the fractions we require them to have a common denominator.

The LCM of 2 and 3 is 6 ← required common denominator

Multiply numerator/denominator of first fraction by 3

Multiply numerator/denominator of second fraction by 2

= +

= + ( add numerators, leaving denominator )

=

Now divide by 2

÷ 2 leave first, change division to multiplication, turn second upside down )

= ×

=

This is the fraction midway between the 2 given fractions

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step-by-step explanation:

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are