(1)/(5)-(9)/(10) - subtract fractions

Solution for the given fractions

• 1/5 - 9/10 = ?
• The common denominator of the two fractions is: 10
• 1/5 = (1*2)/(2*5) = 2/10
• 9/10 = (1*9)/(1*10) = 9/10
• Fractions adjusted to a common denominator
• 1/5 - 9/10 = 2/10 - 9/10
• 2/10 - 9/10 = (2-9)/10
• (2-9)/10 = -7/10

Solution for the given fractions

$ \frac{1}{5 }-\frac{ 9}{10 }=? $

The common denominator of the two fractions is: 10

$ \frac{1}{5 }= \frac{(1*2)}{(2*5)} =\frac{ 2}{10} $

$ \frac{9}{10 }= \frac{(1*9)}{(1*10)} =\frac{ 9}{10} $

Fractions adjusted to a common denominator

$ \frac{1}{5 }-\frac{ 9}{10 }=\frac{ 2}{10 }-\frac{ 9}{10} $

$ \frac{2}{10 }-\frac{ 9}{10 }= \frac{(2-9)}{10} $

$ \frac{(2-9)}{10 }= -\frac{7}{10} $

$ $

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