Question

Simplify the following.

0.399 ÷ 2.1

Answer 1

0.399 ÷ 2.1 = `((399/1000))/(21/10)`

= `399/1000 xx 10/21`

= `399/21 xx 10/1000`

= `19 xx 1/100`

= `19/100`

= 0.19

        19
  `21")"overline399`
        21 
       189
       189
        0