(1)/(4)-(7)/(10) - subtraction of fractions

Solution for the given fractions

• 1/4 - 7/10 = ?
• The common denominator of the two fractions is: 20
• 1/4 = (1*5)/(4*5) = 5/20
• 7/10 = (2*7)/(2*10) = 14/20
• Fractions adjusted to a common denominator
• 1/4 - 7/10 = 5/20 - 14/20
• 5/20 - 14/20 = (5-14)/20
• (5-14)/20 = -9/20

Solution for the given fractions

$ \frac{1}{4 }-\frac{ 7}{10 }=? $

The common denominator of the two fractions is: 20

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

$ \frac{7}{10 }= \frac{(2*7)}{(2*10)} =\frac{ 14}{20} $

Fractions adjusted to a common denominator

$ \frac{1}{4 }-\frac{ 7}{10 }=\frac{ 5}{20 }-\frac{ 14}{20} $

$ \frac{5}{20 }-\frac{ 14}{20 }= \frac{(5-14)}{20} $

$ \frac{(5-14)}{20 }= -\frac{9}{20} $

$ $

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