common denominator of 15 and 20?
回答 (4)
2016-05-12 10:30 am
They should be fractions for a common denominator.
A common factor is 5.
A common factor is 5.
2016-05-12 12:55 pm
60
2016-05-12 10:38 am
15 = 3 × 5
20 = 4 × 5
The common denominator of 15 and 20
= The L.C.M. of 15 and 20
= 3 × 4 × 5
= 60
20 = 4 × 5
The common denominator of 15 and 20
= The L.C.M. of 15 and 20
= 3 × 4 × 5
= 60
2016-05-12 10:22 am
5
收錄日期: 2021-04-18 15:14:58
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