Question

By how much must 5 million be reduced to make it 5 lakh

Answer 1

hiii,

5 million = 500,0000

5 lakh = 5,00,000

so, required no = (500,0000-5,00,000)=4,500,000

hope helps

Answer 2

4 million 5 hundred thousand 
or in percentage it is by 90 percent