cassandraporter
cassandraporter
06-10-2014
Mathematics
contestada
can 21 over 42 be reduced
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ryann
ryann
06-10-2014
Yes 21 over can be reduced to 1/2
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JonathanS
JonathanS
06-10-2014
Indeed it can be! They both share a factor of 21, so you can divide both numbers by 21, and you will get 1/2!
21: 1, 3, 7, 21
42: 1, 2, 3, 6, 7, 14, 21, 42
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