Question

What is the value of the expression?

$\frac{5}{12}-\frac{7}{8}$

Answer 1

Subtraction of fractions

$\begin{array}{rcl}\frac{5}{12}-\frac{7}{8}& =& \frac{5\times 2}{12\times 2}-\frac{7\times 3}{8\times 3}\\ & =& \frac{10-21}{24}\end{array}$ [ L.C.M of $\left(12,8\right)\text{is}24$ ]

$=\frac{-11}{24}$

Hence, the value of given expression is $\frac{-11}{24}$