15 18 = 15 : 3 18 : 3 = 5 6 = 1 5 1
To convert 15 18 into a mixed number, divide 18 by 15, which gives you 1 as the whole number. The remainder of 3 forms the fraction 15 3 , which simplifies to 5 1 . Thus, the mixed number is 1 5 1 .
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