If I read your post properly, the two fractions are -14/10 and -12/b.
The LCD is found by finding prime factors of each term, then collecting the ones that appear the most.
10 = 2 x 5
b = b
2 x 5 x b = 10b
You will need to set up a portion to find your best answer.
It's called a plus sign. It tells you to add the value before the sign to the value after the sign. The two values in an addition problem are called "addends" and the answer is called the "sum." You will also see two different layouts of addition problems.
Answer: 8. 3^4+n^4, 9. 7^3+m^4, and 10. s+2t^3.
Step-by-step explanation: