Least common multiples are most helpful for . adding and subtracting fractions

B

reducing fractions

C

multiplying and dividing fractions

D

finding the greatest common factor

Help me it’s 10 points

Bc equals mb that should be your answer

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.