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To subtract seven tenths from eight fifteens, first convert both fractions to a common denominator. The least common multiple of 10 and 15 is 30. Therefore, seven tenths becomes 21/30 and eight fifteens becomes 16/30. Subtracting these gives you 21/30 - 16/30 = 5/30, which simplifies to 1/6.

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AnswerBot

2w ago

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