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Evaluate ab for a = 2 3/4 and b = 4/5.
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Evaluate ab for a = 2 3/4 and b = 4/5.

User JJPandari
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Rewrite a as an improper fraction:

2 3/4 = 11/4

Now you have 11/4 x 4/5

Multiply the two top numbers together and the two bottom numbers together.

11x4 / 4x5 = 44/20 now rewrite as 2 4/20 which can simplify to 2 1/5

User Wendell
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