Question

verify
(-3/5×12/13)×7/8 = -3/5× (12/13×7/8)
please answer correct​

Answer 1

Answer:

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remember one thing if the sign is + or - then we take LCM otherwise not

Answer 2

To verify: $(\frac{-3}{5} \times \frac{12}{13} )\times \frac{7}{8} = \frac{-3}{5}\times (\frac{12}{13}\times \frac{7}{8})$

Solution :

• To verify $(\frac{-3}{5} \times \frac{12}{13} )\times \frac{7}{8} = \frac{-3}{5}\times (\frac{12}{13}\times \frac{7}{8})$  we solve both LHS and RHS . If LHS equals to RHS then answer is verified .

• $(\frac{-3}{5} \times \frac{12}{13} )\times \frac{7}{8} = \frac{-3}{5}\times (\frac{12}{13}\times \frac{7}{8})$  

         $\frac{-36}{65}\times \frac{7}{8} = \frac{-3}{5}\times \frac{84}{104} \\\\\frac{-9\times 7}{65\times 2} = \frac{-3\times 21}{5\times 26} \\\\\frac{-63}{130} = \frac{- 63}{130}$

On solving we get LHS = RHS . Hence  , given expression is verified .