Seudónimo Seudónimo

25-09-2017
Mathematics

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Аноним Аноним

25-09-2017

the LCM of 7 and 3 = 21 , so 5/7 = 15/21 and 2/3 = 14/21

so its 15/21 - 14 /21 = 1/21

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