Question

find the LCM OF 1/4 + 5/6 + 7/8

Answer 1

lcm is 12
1/4x1/3=1/12
5/6x1/2=5/12
7/8x1/2=7/12
1/12+5/12+7/12=13/12

Answer 2

$\frac{1}{4} + \frac{5}{6} + \frac{7}{8} \\ = \frac{6 + 20 + 21}{24} \\ = \frac{47}{24} \\ = 1 \ \frac{23}{24}$