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Write the sum or difference.
11(1)/(5)-6(2)/(3)=5

Write the sum or difference.\newline1115623 \begin{array}{r}11 \frac{1}{5} \\ -\quad 6 \frac{2}{3} \\ \hline \end{array}

Full solution

Q. Write the sum or difference.\newline1115623 \begin{array}{r}11 \frac{1}{5} \\ -\quad 6 \frac{2}{3} \\ \hline \end{array}
  1. Convert to Improper Fractions: Convert mixed numbers to improper fractions. \newline111511\frac{1}{5} can be converted to an improper fraction by multiplying the whole number part by the denominator and adding the numerator: (11×5)+1=55+1=56(11 \times 5) + 1 = 55 + 1 = 56. So, 111511\frac{1}{5} becomes 565\frac{56}{5}.\newline6236\frac{2}{3} can be converted to an improper fraction by multiplying the whole number part by the denominator and adding the numerator: (6×3)+2=18+2=20(6 \times 3) + 2 = 18 + 2 = 20. So, 6236\frac{2}{3} becomes 203\frac{20}{3}.
  2. Perform Subtraction with Common Denominator: Perform the subtraction of the two improper fractions.\newlineTo subtract the fractions, we need a common denominator. The least common multiple (LCM) of 55 and 33 is 1515. We will convert both fractions to have a denominator of 1515.\newline565=(56×35×3)=16815\frac{56}{5} = \left(\frac{56 \times 3}{5 \times 3}\right) = \frac{168}{15}\newline203=(20×53×5)=10015\frac{20}{3} = \left(\frac{20 \times 5}{3 \times 5}\right) = \frac{100}{15}\newlineNow we can subtract the two fractions: 1681510015\frac{168}{15} - \frac{100}{15}.
  3. Subtract Numerators with Common Denominator: Subtract the numerators and keep the common denominator. 1681510015=(168100)15=6815\frac{168}{15} - \frac{100}{15} = \frac{(168 - 100)}{15} = \frac{68}{15}
  4. Convert Back to Mixed Number: Convert the improper fraction back to a mixed number if necessary.\newline6815\frac{68}{15} is an improper fraction. To convert it to a mixed number, we divide the numerator by the denominator: 68÷15=468 \div 15 = 4 with a remainder of 88. So, 6815\frac{68}{15} as a mixed number is 4(815)4\left(\frac{8}{15}\right).

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