Convert to Improper Fraction: Convert the mixed number 8(53) to an improper fraction.To convert a mixed number to an improper fraction, multiply the whole number by the denominator of the fraction and add the numerator. Then place the result over the original denominator.8(53)=(8×5+3)/58(53)=(40+3)/58(53)=43/5
Replace with Improper Fraction: Rewrite the equation with the improper fraction.Replace the mixed number in the equation with the improper fraction.u−43=543
Find Common Denominator: Find a common denominator to combine the fractions.The common denominator for 4 and 5 is 20. Convert each fraction to an equivalent fraction with a denominator of 20.(43)=(4×53×5)=2015(543)=(5×443×4)=20172Now the equation is:u−2015=20172
Add to Isolate u: Add 2015 to both sides to isolate u. u−2015+2015=20172+2015u=20172+2015
Combine Fractions: Combine the fractions on the right side of the equation.Add the numerators and keep the denominator the same.u=20172+15u=20187
Convert to Mixed Number: Convert the improper fraction back to a mixed number if necessary.To convert an improper fraction to a mixed number, divide the numerator by the denominator.20187=9 with a remainder of 7So, 20187=9(207)
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