Spot the error and find the reason — task. Mathematics CBSE, Class 8.

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Answer variants:

Results in \(30ab\)

Cannot cancel \(15\) from the expression

Cannot cancel \(7a\) from the expression

Results in \(15(a+b)\)

Spot the suitable error reason.

\frac{7 a + 15}{15} = 7 a

Correct the error and conclude the answer.

15 a + 15 b

Did you find an error?

4. Spot the error and find the reason