Question

Find
$\frac{3}{2} + ( - \frac{2}{7} ) + \frac{1}{4} + ( - \frac{1}{21} )$
using the properties of rational numbers

Answer 1

3/2-2/7+1/4-1/21
=126/84-24/84+21/84-4/84
=119/84
(ÆÑẞWĒR)