Question

What is 14/15 minus 1/2?

Answer 1

14/15=28/30

1/2=15/30

28/30-15/30=13/30

the answer is 13/30 because you need to find the LCD(least common denominator) in order to minus，the LCD of 15 and 2 is 30 so you get 28/30 minus 15/30 and you get 13/30