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Mathematics 17 Online
OpenStudy (anonymous):

simplify 42/515

OpenStudy (anonymous):

you cannot simply no common multiple

OpenStudy (unklerhaukus):

too see this factors the numbers into primes 42 = 6*7 = 2*3*7 515 = 5*103 2,3,5,7,103 are all prime numbers. 42/515 = (2*3*7) / (5*103) no factors are common , so nothing cancels

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