(2)/(5)+(1)/(8) - add fractions

Solution for the given fractions

• 2/5 + 1/8 = ?
• The common denominator of the two fractions is: 40
• 2/5 = (2*8)/(5*8) = 16/40
• 1/8 = (1*5)/(5*8) = 5/40
• Fractions adjusted to a common denominator
• 2/5 + 1/8 = 16/40 + 5/40
• 16/40 + 5/40 = (5+16)/40
• (5+16)/40 = 21/40

Solution for the given fractions

$ \frac{2}{5 }+\frac{ 1}{8 }=? $

The common denominator of the two fractions is: 40

$ \frac{2}{5 }= \frac{(2*8)}{(5*8)} =\frac{ 16}{40} $

$ \frac{1}{8 }= \frac{(1*5)}{(5*8)} =\frac{ 5}{40} $

Fractions adjusted to a common denominator

$ \frac{2}{5 }+\frac{ 1}{8 }=\frac{ 16}{40 }+\frac{ 5}{40} $

$ \frac{16}{40 }+\frac{ 5}{40 }= \frac{(5+16)}{40} $

$ \frac{(5+16)}{40 }=\frac{ 21}{40} $

$ $

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