Question

Simplify
Brainliest question​

Answer 1

Answer:

$\frac{81}{20} = 4.05$

Step-by-step explanation:

$\frac{4}{5} \times ( \frac{125}{64} + \frac{75}{48} ) \times \frac{5}{4} \times ( \frac{64}{125} + \frac{48}{75} )$

$\implies \: 1 \times ( \frac{125}{64} + \frac{75}{48} ) \times 1 \times ( \frac{64}{125} + \frac{48}{75} )$

$\implies \: ( \frac{125}{64} + \frac{75}{48} ) \times ( \frac{64}{125} + \frac{48}{75} )$

$\implies \: \frac{25}{16} \times ( \frac{5}{4} + \frac{3}{3} ) \times \frac{16}{25} ( \frac{4}{5} + \frac{3}{3} )$

$\implies \: 1 \times ( \frac{5}{4} + 1 ) \times 1 ( \frac{4}{5} + 1 )$

$\implies \: \frac{5 + 4}{4} \times \frac{4 + 5}{5}$

$\implies \: \frac{9}{4} \times \frac{9}{5}$

$\implies \: \frac{81}{20}$

Answer 2

Answer:

= 4/5×225/64+5/4×144/125

=225/64×144/125=9/4×9/5=81/20