Hello there!
So, first we need to:
0.122 / 1 (1,000 / 1000)
0.122 (1,000) = 122
1(1,000) = 1,000
They are both 2 factors so we have to divide it by 2
122 / 1000
122 ÷ 2 = 61
1,000 ÷ 2 = 500
Fraction becomes: - 61 / 500
It's basic steps
Good luck on your assignment and enjoy your day
~MeIsKaitlyn:)