There is not much that can be done to figure out how to write -0.6 in fraction except literally use with the decimal portion of your number that -.6 means since there are one dishes and sixth the very last digit is the 10th decimal place so we can just say that -.6 for the same as -6/10 .the fraction -6/10 is not reduced to those terms. We can reduce this fashion to lowest terms by dividing both the numerator and denominator by two. Why divide by two? Two is the greatest common divisor or the greatest common factor of the numbers six and 10 so this fraction reduced to lowest term is -3/50 final answer is -0.6 can be written as a fraction -3/5.