The sum of the rational numbers −819 and −457 is _____.
−1257
−2857
−4247
−3247
−819+−457=(−8×3)(19×3)+−457 =−2457+−457 =−2857
Find the sum of the rational numbers −719 and −257.
Find the sum:
−819+(−2)57
A rational number equivalent to 719 is
(a)17119
(b)1457
(c)2138
(d)2157