(11)/(12)-(9)/(14) - subtraction of fractions

Solution for the given fractions

• 11/12 - 9/14 = ?
• The common denominator of the two fractions is: 84
• 11/12 = (7*11)/(7*12) = 77/84
• 9/14 = (6*9)/(6*14) = 54/84
• Fractions adjusted to a common denominator
• 11/12 - 9/14 = 77/84 - 54/84
• 77/84 - 54/84 = (77-54)/84
• (77-54)/84 = 23/84

Solution for the given fractions

$ \frac{11}{12 }-\frac{ 9}{14 }=? $

The common denominator of the two fractions is: 84

$ \frac{11}{12 }= \frac{(7*11)}{(7*12)} =\frac{ 77}{84} $

$ \frac{9}{14 }= \frac{(6*9)}{(6*14)} =\frac{ 54}{84} $

Fractions adjusted to a common denominator

$ \frac{11}{12 }-\frac{ 9}{14 }=\frac{ 77}{84 }-\frac{ 54}{84} $

$ \frac{77}{84 }-\frac{ 54}{84 }= \frac{(77-54)}{84} $

$ \frac{(77-54)}{84 }=\frac{ 23}{84} $

$ $

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