123
455
Twenty three is 23. Twelve is 12. 23 + 12 = 35.
280
-23
The answer is 350. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.110
Answer = 140
1 1/2 plus 4 2/3 equals 5 3/5.
140
32/7 + 14/5 = 23/7 + 9/5 = 115/35 + 63/35 = 178/35 or 53/35
23 * 35 = 805
23+35=58