Question

Im supposed to find and correct the mistakes, but i don't understand any of it??

Alexa added the fractions by using the LCD

step1: 6!/2!4! + 6!/3!3!
step2: =6!/4*3!3!+6!/3!3!
step3: = 6!/4*3!3!+4*6!/4*3!3!
step4: =5*6!/4*3!3!
step5: =7!/3!4! = 7*6!/4*3!3!
step6: = 5*6!/4*3!3! is not equal to 7*6!/4*3!3!

Answer 1

one question. I think I might be able to help, but what are the exclamation points for

Answer 2

if its 6! then it = 6*5*4*3*2*1

Answer 3

Alright