Simplify :(i) (2/5 × 5/8) + (-3/7 × 14/-15) (ii) (-14/3 × -12/7) + (-6/25 × 15/8) (iii) (6/25 × -15/8) - (13/100 × -25/26) (iv) (-14/5 × -10/7) - (-8/9 × 3/16)

Question

KnowledgeBoat · Accepted Answer

(i) First, express with a positive denominator: . We have: L.C.M. of 4 and 5 is 20. Now, expressing each fraction with denominator 20: Hence the answer is (ii) We have: L.C.M. of 1 and 20 is 20. Now, expressing each fraction with denominator 20: Hence the answer is (iii) We have: L.C.M. of 20 and 8 is 40. Now, expressing each fraction with denominator 40: Hence the answer is . (iv) We have: L.C.M. of 1 and 6 is 6. Now, expressing each fraction with denominator 6: Hence the answer is .

Mathematics

Simplify :(i) (2/5 × 5/8) + (-3/7 × 14/-15) (ii) (-14/3 × -12/7) + (-6/25 × 15/8) (iii) (6/25 × -15/8) - (13/100 × -25/26) (iv) (-14/5 × -10/7) - (-8/9 × 3/16)

Rational Numbers

Related Questions