(1)/(5)+(21)/(3) - add fractions

Solution for the given fractions

• 1/5 + 21/3 = ?
• The common denominator of the two fractions is: 15
• 1/5 = (1*3)/(3*5) = 3/15
• 21/3 = (5*21)/(3*5) = 105/15
• Fractions adjusted to a common denominator
• 1/5 + 21/3 = 3/15 + 105/15
• 3/15 + 105/15 = (3+105)/15
• (3+105)/15 = 108/15
• 108/15 = 36/5

Solution for the given fractions

$ \frac{1}{5 }+\frac{ 21}{3 }=? $

The common denominator of the two fractions is: 15

$ \frac{1}{5 }= \frac{(1*3)}{(3*5)} =\frac{ 3}{15} $

$ \frac{21}{3 }= \frac{(5*21)}{(3*5)} =\frac{ 105}{15} $

Fractions adjusted to a common denominator

$ \frac{1}{5 }+\frac{ 21}{3 }=\frac{ 3}{15 }+\frac{ 105}{15} $

$ \frac{3}{15 }+\frac{ 105}{15 }= \frac{(3+105)}{15} $

$ \frac{(3+105)}{15 }=\frac{ 108}{15} $

$ \frac{108}{15 }=\frac{ 36}{5} $

$ $

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