(1)/(4)+(4)/(5) - add fractions

Solution for the given fractions

• 1/4 + 4/5 = ?
• The common denominator of the two fractions is: 20
• 1/4 = (1*5)/(4*5) = 5/20
• 4/5 = (4*4)/(4*5) = 16/20
• Fractions adjusted to a common denominator
• 1/4 + 4/5 = 5/20 + 16/20
• 5/20 + 16/20 = (5+16)/20
• (5+16)/20 = 21/20

Solution for the given fractions

$ \frac{1}{4 }+\frac{ 4}{5 }=? $

The common denominator of the two fractions is: 20

$ \frac{1}{4 }= \frac{(1*5)}{(4*5)} =\frac{ 5}{20} $

$ \frac{4}{5 }= \frac{(4*4)}{(4*5)} =\frac{ 16}{20} $

Fractions adjusted to a common denominator

$ \frac{1}{4 }+\frac{ 4}{5 }=\frac{ 5}{20 }+\frac{ 16}{20} $

$ \frac{5}{20 }+\frac{ 16}{20 }= \frac{(5+16)}{20} $

$ \frac{(5+16)}{20 }=\frac{ 21}{20} $

$ $

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