((-8))/(5)+(2(7))/((8)) - addition of fractions

Solution for the given fractions

• -8/5 + (2*7)/8 = ?
• The common denominator of the two fractions is: 40
• -8/5 = (-8*8)/(5*8) = -64/40
• (2*7)/8 = (2*5*7)/(5*8) = 70/40
• Fractions adjusted to a common denominator
• -8/5 + (2*7)/8 = -64/40 + 70/40
• -64/40 + 70/40 = (70-64)/40
• (70-64)/40 = 6/40
• 6/40 = 3/20

Solution for the given fractions

$ -\frac{8}{5 }+ \frac{(2*7)}{8 }=? $

The common denominator of the two fractions is: 40

$ -\frac{8}{5 }= \frac{(-8*8)}{(5*8)} = -\frac{64}{40} $

$ \frac{(2*7)}{8 }= \frac{(2*5*7)}{(5*8)} =\frac{ 70}{40} $

Fractions adjusted to a common denominator

$ -\frac{8}{5 }+ \frac{(2*7)}{8 }= -\frac{64}{40 }+\frac{ 70}{40} $

$ -\frac{64}{40 }+\frac{ 70}{40 }= \frac{(70-64)}{40} $

$ \frac{(70-64)}{40 }=\frac{ 6}{40} $

$ \frac{6}{40 }=\frac{ 3}{20} $

$ $

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