Question

Find the LCD of the following list of fractions. --14/10, -12/b

Answer 1

If I read your post properly, the two fractions are -14/10 and -12/b.

The LCD is found by finding prime factors of each term, then collecting the ones that appear the most.

10 = 2 x 5
b = b

2 x 5 x b = 10b