(-5)/(12)-(7)/(9) - subtract fractions

Solution for the given fractions

• -5/12 - 7/9 = ?
• The common denominator of the two fractions is: 36
• -5/12 = (-5*3)/(3*12) = -15/36
• 7/9 = (4*7)/(4*9) = 28/36
• Fractions adjusted to a common denominator
• -5/12 - 7/9 = -15/36 - 28/36
• -15/36 - 28/36 = (-28-15)/36
• (-28-15)/36 = -43/36

Solution for the given fractions

$ -\frac{5}{12 }-\frac{ 7}{9 }=? $

The common denominator of the two fractions is: 36

$ -\frac{5}{12 }= \frac{(-5*3)}{(3*12)} = -\frac{15}{36} $

$ \frac{7}{9 }= \frac{(4*7)}{(4*9)} =\frac{ 28}{36} $

Fractions adjusted to a common denominator

$ -\frac{5}{12 }-\frac{ 7}{9 }= -\frac{15}{36 }-\frac{ 28}{36} $

$ -\frac{15}{36 }-\frac{ 28}{36 }= \frac{(-28-15)}{36} $

$ \frac{(-28-15)}{36 }= -\frac{43}{36} $

$ $

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