(4)/(7)+(3)/(9) - add fractions

Solution for the given fractions

• 4/7 + 3/9 = ?
• The common denominator of the two fractions is: 63
• 4/7 = (4*9)/(7*9) = 36/63
• 3/9 = (3*7)/(7*9) = 21/63
• Fractions adjusted to a common denominator
• 4/7 + 3/9 = 36/63 + 21/63
• 36/63 + 21/63 = (21+36)/63
• (21+36)/63 = 57/63
• 57/63 = 19/21

Solution for the given fractions

$ \frac{4}{7 }+\frac{ 3}{9 }=? $

The common denominator of the two fractions is: 63

$ \frac{4}{7 }= \frac{(4*9)}{(7*9)} =\frac{ 36}{63} $

$ \frac{3}{9 }= \frac{(3*7)}{(7*9)} =\frac{ 21}{63} $

Fractions adjusted to a common denominator

$ \frac{4}{7 }+\frac{ 3}{9 }=\frac{ 36}{63 }+\frac{ 21}{63} $

$ \frac{36}{63 }+\frac{ 21}{63 }= \frac{(21+36)}{63} $

$ \frac{(21+36)}{63 }=\frac{ 57}{63} $

$ \frac{57}{63 }=\frac{ 19}{21} $

$ $

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