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goldfiish [28.3K]
3 years ago
9

Introduction to addition or subtraction of fractions with different denominator 3/5+1/3

Mathematics
1 answer:
Anon25 [30]3 years ago
6 0
You must find the same denominator by finding the closest common factor of both.
In this case it would be 15 because both 5 and 3 go into 15.
You then have to multiply the numerator by the number you multiplied to get the denominator.
So you multiply
Nevermind just look at the pic.
You might be interested in
Faction Equivalent demcimal for 2.46
Paul [167]

Here is you're answer:

In order to find the answer you have to switch all the options into decimals to see which one is equivalent to 2.46!

  • \frac{246}{1000}
  • \frac{246}{1000} = 246 \div 1000 = 0.246
  • 2\frac{46}{1000}
  • 2\frac{46}{1000} = \frac{1023}{500} = 1023 \div 500 = 2.046
  • 2 \frac{23}{50} = \frac{123}{50} = 123 \div 50=2.46 <-- You're answer.
  • \frac{223}{500} = 223 \div 500 = 0.446

Therefore you're answer is option C "2 23/50." Remember when wanting to find the decimal divide the numerator by the denominator after you convert the mixed number (if it's a mixed number) into a improper fraction!

Hope this helps!

8 0
3 years ago
An mp3 player is on sale for 25% off. The original price is $52.60. What is the sale price?
Paha777 [63]
First, you need to find 25% of 52.60

Convert 25% to decimal:
25% = .25

Find 25% by multiplying its decimal equivalent by the sales price.

.25 x 52.60 = 13.15

Next, subtract that amount from 52.60 to find the new sale price.

52.60 - 13.15 = 39.45

The final price is $39.45
4 0
3 years ago
Jessica is shopping for a new car. She found a blue car that has a 12-gallon gas tank and can go 384 miles on one tank. She foun
adelina 88 [10]

Answer:

Silver car

Step-by-step explanation:

It seems pretty hard but it's actually REALLY easy. gas mileage means the number of miles you can go on a particular amount of gallons. But the gallons have to be the same for both cars so that it's fair.

so let's go with 10 gallons. pretty broad number right?

so to get 12 gallons(the gallons for the blue car) to 10, We divide it by 12 then multiply it by 10. Try it yourself, (12/12)*10=???

then we do that to 384 (the miles for the blue car)

(384/12)*10=320

so 320 is the mileage for the first car. Repeat the steps for the silver car!

(14/14)*10=10

so then: (504/14)*10= 360.

So which is bigger, 320 or 360?

360 is bigger, meaning it has better gas mileage.

5 0
3 years ago
I don’t understand this
Alexandra [31]

Answer:

-15.41

Step-by-step explanation:

big brain?

5 0
3 years ago
Read 2 more answers
Solve 8(3x-4)=4x-2. Help
FinnZ [79.3K]
X = 3/2

<em><u>I hope this could help!</u></em>
8 0
4 years ago
Read 2 more answers
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