Answer:
- If you add 3/4 and a negative rational number, the sum will always be less than 3/4. True
- If you add -2/3 and a negative rational number, the sum will always be less than 0. True
- If you add -1 1/5 and a positive rational number, the sum will always be less than -1 1/5. False
- If you add 9/10 and a negative rational number, the sum will always be less than 0. False