2108 1/3. You can also add, subtract, multiply, and divide fractions, as well as, convert to a decimal and work with mixed numbers. Gcf(42,126) = 42, so 42 / 126 = /:42 1 / 3.

Calculating n th roots can be done using a similar method, with modifications to deal with n.while computing square roots entirely by hand is tedious. Rules for expressions with fractions: