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ASHA 777 [7]
3 years ago
15

How do you add fractions

Mathematics
2 answers:
Wittaler [7]3 years ago
7 0

First, you find the common denominator, if the denominators are the same, great! Then, you add the numerators.

Elina [12.6K]3 years ago
6 0
Example fraction we are adding: 3/5 + 1/2 

In order to add fractions you first need to make sure both fractions have the same denominator.  If they don't have the same denominator like our example fraction doesn't, we need to convert them. 

The least common denominator of 5 and 2 is 10 so we multiply both sides of the fraction 3/5 by its counterpart 2 and both sides of the fraction 1/2 by its counterpart 5.  This gives us 6/10 + 5/10. 

Notice counterpart does not always mean the denominator of the other fraction, it means the number that multiplied by the current denominator of your fraction will give you the least common denominator of both fractions.

Now we can easily add 6/10 + 5/10 to get 11/10.

(I copied my answer from my answer for another question that asked the same thing)
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UNO [17]

Answer:

A

Step-by-step explanation:

We have to multiply it by two because they have us 2 numbers for the legs, we use the Pythagorean theorem thing, but we have to basically add them, or we can multiply y 2(since they are the same number). Anyways 18\sqrt{2} (2)= 36\sqrt{2}

8 0
3 years ago
sammi is trying to wrap a gift for her brother. the gift fits into a cube-shaped box with a side length of 9 inches. how many sq
Flauer [41]

Answer:

A=486\ \text{inches}^2

Step-by-step explanation:

The area of a cube shaped box is given by :

A=6s^2

Where

s is the side length and A is the surface area

We have, s = 9 inches

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So, the required area is 486\ \text{inches}^2.

8 0
2 years ago
S is inversely proportional to t<br> When s = 0.5, t = 7<br> Work out s when t = 0.8
defon

Given:

s is inversely proportional to t.

When s = 0.5, t = 7.

To find:

The value of s when t=0.8.

Solution:

s is inversely proportional to t.

s\propto \dfrac{1}{t}

s=\dfrac{k}{t}       ...(i)

Where, k is the constant of proportionality.

Putting s=0.5 and t=7, we get

0.5=\dfrac{k}{7}

0.5\times 7=k

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Putting k=3.5 in (i), we get

s=\dfrac{3.5}{t}

This is the equation of proportionality.

Putting t=0.8, we get

s=\dfrac{3.5}{0.8}

s=4.375&#10;

Therefore, the value of s is 4.375 when t=0.8.

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2 years ago
Alex runs on the track at school each weekday morning. If he runs 5.9 miles each day,about how much does he run every month?
Molodets [167]
Its just 20 x 5.9 = 118 simple
7 0
3 years ago
I need help on this question. ​
Montano1993 [528]

Answer:

JK = 30 .

Step-by-step explanation:

As JMLK is a kite the diagonals bisect each other at right angles so triangle JNK is a right triangle.

JK^2 = 18^2 + 24^2 = 900

JK = 30.

8 0
2 years ago
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