Question

on simplyfying 5/12 - 7/18 we get a) 5/36 b) -7/36 c)1/36 d) 1/18​

Answer 1

Answer:

$\frac{5}{12} - \frac{7}{18} \\ lcm \: of \: 12 \: and \: 18 \: is \: 36 \\ \: \frac{5 \times 3}{12 \times 3} - \frac{7 \times 2}{18 \times 2} \\ = \frac{15}{36} - \frac{14}{36} = \frac{15 - 14}{36} \\ = \frac{1}{36}$

correct option c)