
Kenneth S. answered 09/12/17
Tutor
4.8
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
Find the least common denominator, at once!
-2/3 - 3/5 =(2/3)(5/5) - (3/5)(3/3) = [-10 - 9]/15 = -19/15.