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What is the common multiple of 8 and 9 within 50?
Because 8 and 9 are two adjacent numbers, their least common multiple is the product of these two numbers, and their product is 72, which is larger than 50. Therefore, 8 and 9 have no common multiple within 50
How much is 40 + 56 96
１９２
1/56+1/40+1/2
=5/280+7/280+140/280=152/280=19/35
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