7.78 miles convert decimal measurement to a
mixed number
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Convert the mixed number to a decimal.
First you convert the decimal into a mixed-number/fraction. Then you have to find the common denominator and compare.
If you know how to turn a mixed number into a fraction and a fraction into a decimal do that then make it negative.
Divide the fraction then put the whole number at the front of the decimal.
Convert the mixed number to an improper fraction. Any fraction can be expressed as a decimal by dividing the denominator into the numerator.