Question

Add the following.
-2/7 and -5/7

Answer 1

-2/7+{-5/7}= -2-5/7 = -1

Answer 2

Q. Addition -

(- 2 / 7) + (-5 / 7)

= (- 2 / 7) - 5 / 7

= (- 2 - 5) / 7

= (- 7) / 7

= (- 1) / 1

= (- 1)

Answer » (- 1)

Some things to know -

When we are adding any fraction, be sure to check the denominators of the fractions.

If the denominators are equal, then we can directly add them.

If not, then we have to make the denominators equal by LCM of both the denominators.

Things about Signs -

(-) (-) = (+)

(+) (-) = (-)

(-) (+) = (-)

(+) (+) = (+)


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