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Make sure you line up the numbers. The units columns must be in a vertical line. (The numbers MUST end at the same point.)
745 + 63 Start by adding the units column. 745 + 63 8 Since there is no carry add the tens column. 745 + 63 08 Since 6+4=10 there is a carry. 1 745 + 63 08 Add the carry and the 7. 1 745 + 63 808Adding is really simple, just remember the carries!
5859 + 799 Solution 111 5859 + 799 6658