The reason fractions need a common denominator before adding or subtracting is so that the numbers of pieces you are adding/subtracting are all the same size. Note that the numerator of a fraction just tells you how many pieces you have of that size.
Answer:
Concept: Basic Multiplication
- You have 3 1/4 which can be said in decimal form to be 3.25
- You multiply it by 3 to get 9.75 or 9 3/4
- Hence D
- Rate brainlist
M = (y2-y1)/(x2-x1)
= (4-14)/3-1
= -10/2
= -5
Answer:79 , 80 , 81
Step-by-step explanation:What three consecutive integers have a sum of 240? What three consecutive integers have a sum of 240? Which means that the first number is 79, the second number is 79 + 1 and the third number is 79 + 2. Therefore, three consecutive integers that add up to 240 are 79, 80, and 81.