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Question
For rational numbers `a/b, c/d` and `e/f` we have `a/b xx (c/d + e/f)` = ______ + ______.
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Solution
For rational numbers `a/b, c/d` and `e/f` we have `a/b xx (c/d + e/f)` = `underlinebb((ac)/(bd))` + `underlinebb((ae)/(bf))`.
Explanation:
If `a/b xx (c/d xx e/f) = a/b xx c/d + a/b xx e/f = (ac)/(bd) + (ae)/(bf)`
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