2/5 as a decimal show all work

0.4

Step-by-step explanation:

to convert from a fraction to a decimal, we first have to make the denominator 100

we know that 5 goes into 100 20 times ;

100 ÷ 5 = 20 ;

then we have to multiply the numerator by 20 as well because we have multiplied the bottom by 20 ;

2 x 20 = 40 ;

=

then to convert this into a decimal, divide the numerator by the denominator

40  ÷ 100 = 0.4

4 + 5 7/9= 9 7/9

step-by-step explanation:

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