Step-by-step explanation:
60-4 = 56
56 divided by 2.8 = 20 miles
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Solution for the given fractions
7/9 + 2/3 = ?
The common denominator of the two fractions is: 9
7/9 = (1*7)/(1*9) = 7/9
2/3 = (2*3)/(3*3) = 6/9
Fractions adjusted to a common denominator
7/9 + 2/3 = 7/9 + 6/9
(6+7)/9 = 13/9
