If two fractions have the same denominators, then just simply add up the numerators together and keep the denominator.
Examples:

The factors are just numbers that can be multiplied to receive the number that is given.
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24.
1 × 24 = 24
2 × 12 = 24
3 × 8 = 24
4 × 6 = 24
7.71 feet is your answer.
It would be 6.5. The 5 after the decimal would stay the same since the number after it isn't greater than 5
Answer: 37
Step-by-step explanation:
Well DCB is a right angle, and there is already half which is 53 degrees, subtract 90 by 53 and you will get your answer.