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ikadub [295]
3 years ago
11

How do I subract fractions?

Mathematics
1 answer:
Aliun [14]3 years ago
4 0

How do you subtract fractions?

  • Make sure the bottom numbers (the denominators) are the same.
  • Subtract the top numbers (the numerators). Put the answer over the same denominator.
  • Simplify the fraction (if needed).

To Subtract Fractions with different denominators:

  • Find the Lowest Common Denominator (LCD) of the fractions.
  • Rename the fractions to have the LCD.
  • Subtract the numerators of the fractions.
  • The difference will be the numerator and the LCD will be the denominator of the answer.
  • Simplify the Fraction.

How to simplify a fraction:

  • Find a common factor of the numerator and denominator. ...
  • Divide both the numerator and denominator by the common factor.
  • Repeat this process until there are no more common factors.
  • The fraction is simplified when no more common factors exist.

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A plane traveled from California and back. It took one hour longer on the way out than it did on the way back. The plane's avera
padilas [110]

Answer:

Option D is the correct answer.

Step-by-step explanation:

Let x be the one way distance and t be the time out.

Time taken for back = t-1

We have plane's average speed out was 300 mph and average speed on the way back was 350 mph.

That is

           \frac{x}{300}=t\texttt{ and }\frac{x}{350}=t-1

Dividing both equations

             \frac{\frac{x}{300}}{\frac{x}{350}}=\frac{t}{t-1}\\\\350t-350=300t\\\\t=7\texttt{ hours}

Time taken for back = t-1 = 7-1 = 6 hours.

Total time taken = 7 + 6 = 13 hours

Option D is the correct answer.

5 0
4 years ago
Read 2 more answers
Titus drew a circle with his compass. The circle has five central angles. Four of the angles measure 55°, 37°, 96°, and 88°. Wha
Fiesta28 [93]

Answer:

84°

Step-by-step explanation:

The circle has five central angles that together equal to 360°.

55° + 37° + 96° + 88° = 276°

Hence, to find the fifth central angle, we have to subtract 276° from 360°.

360° - 276° = 84°

The degree measure of the last central angle is 84°.

Hope this helps! :)

3 0
2 years ago
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Which graph is an example of a cubic function?
AleksAgata [21]
Cubic functions usually look like an S
7 0
3 years ago
A high-performance composite flywheel rotor can spin anywhere between 30,000 and 100,000 revolutions per minute. What
Kobotan [32]

Answer:

Step-by-step explanation:

1 revolution will equal 360 degrees

Because of that 30,000 revolution would be 10,800,000 degrees

100,000 rev would equal 36,000,000 degrees

The range through which the composite flywheel rotates in one minute be denoted by ' F ' . (1.08 x 107)° F (3.6 x 107)°

4 0
3 years ago
What is the period of the cosecant function graphed below?
telo118 [61]
Step-by-step explanation: The cosecant function is graphed in the given figure. we are to find the period of the function.
The period of a function is the distance travelled by the curve of the function in one complete revolution.
We can see that in the given figure, the distance between two consecutive points is given by

Therefore, the period of the cosecant function is
Thus, the correct option is (B) \pi.
4 0
3 years ago
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