Math, asked by ShreyaMohan, 3 days ago

plz answer step by step (ii)​

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Answered by ariRongneme
0

Law of the commutative property: a+b = b+a

ii).

a =  \frac{21}{( - 8)} b =  \frac{16}{7}

.°.

 \frac{21}{( - 8)}  +  \frac{16}{7} =  \frac{16}{(7}   +  \frac{21}{ (- 8)}  \\  =  -  \frac{19}{56}  =  -  \frac{19}{56}  \\

.°. a+b=b+a that's true

Answered by kadamshravani439
0

Answer:

Law of the commutative property: a+b = b+a

ii).

a = \frac{21}{( - 8)} b = \frac{16}{7}a=

(−8)

21

b=

7

16

.°.

\begin{gathered} \frac{21}{( - 8)} + \frac{16}{7} = \frac{16}{(7} + \frac{21}{ (- 8)} \\ = - \frac{19}{56} = - \frac{19}{56} \\ \end{gathered}

(−8)

21

+

7

16

=

(7

16

+

(−8)

21

=−

56

19

=−

56

19

.°. a+b=b+a that's true

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