(45)/(-7)+(-35)/(-3) - add fractions

Solution for the given fractions

• 45/(-7) + -35/(-3) = ?
• The common denominator of the two fractions is: 21
• 45/(-7) = (-3*45)/(-7*(-3)) = -135/21
• -35/(-3) = (-35*(-7))/(-7*(-3)) = 245/21
• Fractions adjusted to a common denominator
• 45/(-7) + -35/(-3) = -135/21 + 245/21
• -135/21 + 245/21 = (245-135)/21
• (245-135)/21 = 110/21

Solution for the given fractions

$ \frac{45}{(-7)} + -\frac{35}{(-3)} =? $

The common denominator of the two fractions is: 21

$ \frac{45}{(-7)} = \frac{(-3*45)}{(-7*(-3))} = -\frac{135}{21} $

$ -\frac{35}{(-3)} = \frac{(-35*(-7))}{(-7*(-3))} =\frac{ 245}{21} $

Fractions adjusted to a common denominator

$ \frac{45}{(-7)} + -\frac{35}{(-3)} = -\frac{135}{21 }+\frac{ 245}{21} $

$ -\frac{135}{21 }+\frac{ 245}{21 }= \frac{(245-135)}{21} $

$ \frac{(245-135)}{21 }=\frac{ 110}{21} $

$ $

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