To simplify the expression 12 8/15 - 7 + 7/15 + 15, we need to convert the mixed number 12 8/15 into an improper fraction.
First, we multiply the whole number 12 by the denominator of the fraction, which is 15:
12 * 15 = 180
Then, we add the numerator 8 to the product:
180 + 8 = 188
Now, we put the obtained sum over the denominator 15:
188/15
The expression becomes:
188/15 - 7 + 7/15 + 15
To add or subtract fractions, we need to find a common denominator. In this case, the least common denominator (LCD) is 15.
Now, let's convert each fraction to have this common denominator:
188/15 - 7/1 + 7/15 + 15/1
Next, we can add or subtract the numerators:
(188 - 7) / 15 + (7 + 15) / 15
Simplifying further:
181/15 + 22/15
Finally, we can combine the fractions:
(181 + 22) / 15
Therfore, the simplified answer is:
203/15
What is 12 8/15-7+7/15+15 simplify your answer
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