1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
hjlf
3 years ago
11

Why do we need to have common denominators when adding fractions?

Chemistry
1 answer:
jeyben [28]3 years ago
3 0
So that we have the right answer once we do the addition
Say that I measure my self at 12 feet with one measuring stick, and go on with another measuring stick that tells me I'm 3 meters tall, if I added those, I would be at something like 15/46 or something like that. See that would be wrong. We would want the right denominator so that it could be easier and also correct.
You might be interested in
How many grams of silver are in 4.2 moles of silver?
Phantasy [73]

Answer:

Solution: Since the atomic mass of silver (Ag) is 107.87 amu, one mole of silver has a mass o f 107.87 grams. Therefore, there is one mole of Ag per 107.87 grams of Ag

Explanation:

8 0
3 years ago
Express 727,000 in scientific noation
Veronika [31]

727,000 in scientific notation is written as 7.27 * 10^5

The decimal or whole number must be between 1 and 10. Then, what I do, is count the amount it takes me to get to 7.27, which, in this case, is 5

Hope that answered your question!

5 0
3 years ago
Read 2 more answers
Is the speed of radio wave radiation higher or lower than infrared radiation
finlep [7]
<span>the speed of radio wave radiation is lower than infrared radiation</span>
5 0
3 years ago
Convert 15.5m³ to mL
ziro4ka [17]

Answer:

Explanation:

1.55e+7

3 0
1 year ago
Could someone explain this sentence for me ?​
Ronch [10]

Answer:

Explanation:

to put this plainly after putting strong electrolytes in water they dissolve to nothing but ions they give you an example and definition of a strong electrolyte I suggest you read those and see if you come up with what I gave you they also tell you that not all strong electrolytes dissolve as strongly as others that are in the example.

4 0
2 years ago
Other questions:
  • The decomposition of nitramide, O2NNH2, in water has the chemical equation and rate law O2NNH2(aq)⟶N2O(g)+H2O(l)rate=k[O2NNH2][H
    13·1 answer
  • How are sodium (Na) and potassium (K) similar?
    12·2 answers
  • An unknown liquid has a mass of 4.25 × 108 mg and a volume of 0.250 m3. what is the density of the liquid in units of g/ml?
    11·2 answers
  • Consider the balanced reaction bellow. How many moles of barium hydroxide,Ba(OH)2, would be required to react with 117g hydrogen
    9·1 answer
  • Endothermic/exothermic
    9·1 answer
  • I need help asap please help me
    5·2 answers
  • A scientist wants to study the diversity of soil bacteria found during different months of the year A.what is her independent va
    11·1 answer
  • 2. List and explain the three steps for solving a numeric problem.
    8·1 answer
  • Choose the description that matches the law of included fragments.
    5·1 answer
  • How much potassium iodide to take for radiation protection.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!