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3 is a factor of 12 & a factor of 15, so it's a common factor between 12 & 15. Also, as it's the only common factor between them, in addition to 1 of course, it's the highest common factor between 12 & 15.
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∙ 13y ago
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Why the difference between -15 and -3 is a negative number?
-12
What number is 3 more than 12?
12 + 3 = 15
Three more than the product of a number and 4 is 15 Find the number?
3+4x=15 4x=15-3 4x=12 x=12/4 x=3 The check is: If x=3 then, 3+ (4 X 3)=15 3+12=15
Three more than four times a number is 15?
4n+3 = 15 15 - 3 = 12 4n = 12 12 / 4 = 3 (3 X 4) + 3 = 15
What number fits in 12 and 15?
3
Why is the gcf of 15 and 12 3?
Because 3 is the largest number that divides into both 12 and 15 evenly with no remainder.
What is 15 over 12 in mixed number?
1 3/12
What number is 3 less than 15?
12.
What number plus 3 equals 15?
12
What is the ratio for 12 and 15 as a fraction in simplest form?
12 and 15 as fraction is 12/15 . then turn it into simplest form you divide top number ( 12 ) and the bottom number ( 15 ) by the biggest number that fits into both of them which in this case is 3 . now you divide the top number and bottom number by the biggest number that fit into both of them which is 3 . so 12 divided 3 is 4 and 15 divided by 3 is 5 so your final answer is 4/5 . REMEMBER - when simplify fraction , the top and bottom number is always divided by the same number which is the biggest number that fits into both of them .
What Whole number less than 15 and divisible by 3?
3, 6, 9, 12, 15.As in the three times table.
What is 45 over 12 as a mixed number?
45/12 = 15/4 = 3 3/4
