(4)/(21)+(4)/(35) - adding of fractions

Solution for the given fractions

• 4/21 + 4/35 = ?
• The common denominator of the two fractions is: 105
• 4/21 = (4*5)/(5*21) = 20/105
• 4/35 = (3*4)/(3*35) = 12/105
• Fractions adjusted to a common denominator
• 4/21 + 4/35 = 20/105 + 12/105
• 20/105 + 12/105 = (12+20)/105
• (12+20)/105 = 32/105

Solution for the given fractions

$ \frac{4}{21 }+\frac{ 4}{35 }=? $

The common denominator of the two fractions is: 105

$ \frac{4}{21 }= \frac{(4*5)}{(5*21)} =\frac{ 20}{105} $

$ \frac{4}{35 }= \frac{(3*4)}{(3*35)} =\frac{ 12}{105} $

Fractions adjusted to a common denominator

$ \frac{4}{21 }+\frac{ 4}{35 }=\frac{ 20}{105 }+\frac{ 12}{105} $

$ \frac{20}{105 }+\frac{ 12}{105 }= \frac{(12+20)}{105} $

$ \frac{(12+20)}{105 }=\frac{ 32}{105} $

$ $

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