(-4)/(-5)-(7)/(8) - subtraction of fractions

Solution for the given fractions

• -4/(-5) - 7/8 = ?
• The common denominator of the two fractions is: 40
• -4/(-5) = (-8*(-4))/(-8*(-5)) = 32/40
• 7/8 = (5*7)/(5*8) = 35/40
• Fractions adjusted to a common denominator
• -4/(-5) - 7/8 = 32/40 - 35/40
• 32/40 - 35/40 = (32-35)/40
• (32-35)/40 = -3/40

Solution for the given fractions

$ -\frac{4}{(-5)} -\frac{ 7}{8 }=? $

The common denominator of the two fractions is: 40

$ -\frac{4}{(-5)} = \frac{(-8*(-4))}{(-8*(-5))} =\frac{ 32}{40} $

$ \frac{7}{8 }= \frac{(5*7)}{(5*8)} =\frac{ 35}{40} $

Fractions adjusted to a common denominator

$ -\frac{4}{(-5)} -\frac{ 7}{8 }=\frac{ 32}{40 }-\frac{ 35}{40} $

$ \frac{32}{40 }-\frac{ 35}{40 }= \frac{(32-35)}{40} $

$ \frac{(32-35)}{40 }= -\frac{3}{40} $

$ $

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