SOLUTION: Perform the indicated operation and, if possible, simplify. -2/3-(-2/7)

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Perform the indicated operation and, if possible, simplify. -2/3-(-2/7)      Log On


   

Question 439662: Perform the indicated operation and, if possible, simplify.
-2/3-(-2/7)
Answer by asuar010(338) About Me  (Show Source):
You can put this solution on YOUR website!
the common denominator between both fractions is 21 so...
-2%2F3-%28-2%2F7%29=-2%2F3%2B2%2F7=%28-14%2B6%29%2F21=-8%2F21