Cordova Explore Mathmatics Chapter 1 Rational Number Exercise 1.4
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3/4 + 5/6 -7/8
By taking LCM for 4, 6 and 8 which is 24
((3×6) + (5×4) – (7×3))/24
(18 + 20 – 21)/24
(38-21)/24
17/24
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