Find Difference between Rational numbers: -6/13 - (-7/15) - Teachoo - Ex 8.2

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Ex 8.2, 2 Find (iii) (−6)/13 −((−7)/15)(−6)/13 −((−7)/15) = (−6)/13 + 7/15 = 7/15 − 6/13 = (7 × 13 − 6 × 15)/(15 × 13) = (91− 90 )/(15 × 13) = 1/(15 × 13)

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