8=2*2*2*1
15=5*3*1
the only whole number that both are divisibl by is 1.
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Well, isn't that a happy little math question! When we're looking at what goes into 8 and 15, we want to find the largest number that divides evenly into both. In this case, the number 1 is the only whole number that goes into both 8 and 15. Just remember, there are no mistakes in math, only happy little accidents!
you just ask yourself how many times does the denominator go into the numerator. in this case, 8 goes into 16 twice because 8 x 2=16. if you want to know how to do a mixed number, an example would be 15 over 8. The same process is used, but there is now a remainder. Eight goes into 15 once and has seven out of eight left (8+7=15). Therefore, the answer would be 1 and seven eighths
15
15/8 = 17/8
The number 1 is the first number that goes into 5 and 8 equally.