Q: What is the mean of 15 39 30 10 8 39 27?

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3. 15/3 = 5. 27 / 3 = 9. 30/3=10

Find the least common denominator of 10 and 15, which is 30. If 15 is doubled to 30, the 8 over it must be doubled to 16. If 10 is tripled to 30, the 9 over it must be tripled to 27. 27 over 30 minus 16 over 30 is 11 over 30.

9/10 - 13/30 = 27/30 - 13/30 = 14/30 = 7/15

Either convert both to decimal, or convert both to a common denominator.The common denominator is 30. 13/15 = 26/30, and 9/10 = 27/30.A comparison of the numerators (27 > 26), so 27/30 is bigger [9/10]

9 over 10 + 5 over 6 = 27 over 30 + 25 over 30 = 52 / 30 = 26/15 = 1 11/15

Related questions

3. 15/3 = 5. 27 / 3 = 9. 30/3=10

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30Factors of 27: 1, 3, 9, 27Factors of 15: 1, 3, 5, 15GCF (30, 27, 15) = 3

Find the least common denominator of 10 and 15, which is 30. If 15 is doubled to 30, the 8 over it must be doubled to 16. If 10 is tripled to 30, the 9 over it must be tripled to 27. 27 over 30 minus 16 over 30 is 11 over 30.

Factors of 27: 1, 3, 9, 27Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30GCF (27, 30) = 3

9/10 - 13/30 = 27/30 - 13/30 = 14/30 = 7/15

Either convert both to decimal, or convert both to a common denominator.The common denominator is 30. 13/15 = 26/30, and 9/10 = 27/30.A comparison of the numerators (27 > 26), so 27/30 is bigger [9/10]

9 over 10 + 5 over 6 = 27 over 30 + 25 over 30 = 52 / 30 = 26/15 = 1 11/15

Factors of 27: 1, 3, 9, 27Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30GCF (27, 30) = 3

The least common multiple is the smallest positive number that is a multiple of two or more numbers. 10: 10, 20, 30 15: 15, 30 The LCM of 10 and 15 is 30.

30 / 27 = 10 / 9

12, 15, 18, 21, 24, 27, 30

If you mean: 10, 15 and 30 then LCM is 60