Answer :

we know that

the total distance is 1 4/5 miles

she has walked 2/5 miles

so

Find the difference

but first

convert mixed number to an improper fraction

1 4/5=1+4/5=9/5 miles

so

9/5-2/5=7/5 miles

convert to mixed number

7/5=5/5+2/5=1+2/5=1 2/5 mi

answer is 1 2/5 mi

ok

the equation is

1 4/5- 2/5

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