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lara31 [8.8K]
3 years ago
11

How do u subtract fractions

Mathematics
2 answers:
Gnoma [55]3 years ago
7 0

Like fractions are fractions with the same denominator. You can add and subtract like fractions easily - simply add or subtract the numerators and write the sum over the common denominator.

Before you can add or subtract fractions with different denominators, you must first find equivalent fractions with the same denominator, like this:

1.Find the smallest multiple (LCM) of both numbers.

2.Rewrite the fractions as equivalent fractions with the LCM as the denominator.

When working with fractions, the LCM is called the least common denominator (LCD)

lozanna [386]3 years ago
4 0
By the denominator or the numerator
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A holiday toy drive is putting together baskets for children they’re 84 toys and 56 books if each basket or see the same number
BaLLatris [955]

Answer:

28

Step-by-step explanation

we can use Greatest common divisor to solve

84 and 56 Greatest common divisor is 28(you can try)

so is 28 basket and every basket has 3 toys and 2 books

3 0
3 years ago
A cylinder and a cone have the same volume. The cylinder has radius x and height y. The cone has radius 1/3x. Find the height of
Temka [501]

Great question! I had this question in Geometry on Edmentum.

Answer: Height of cone = 3y

Step-by-step explanation:

We know that the cylinder and the cone have the same volume. The cylinder has radius x and height y. We will make use of the formulas:

Volume of cylinder = πr²h

Volume of cone = 1/3πr²h

Since the cone has radius 1/3x, we will have to make its height 3 times of y (the height of the cylinder) to make both the cylinder and the cone have the same volume.

So, the height of the cone is equal to 3y.

Hope this helps, and have a wonderful day! :D

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7 0
3 years ago
(-1,2) (1,8)<br><br> Find the slope
mars1129 [50]
Slope: (y2-y1)/(x2-x1)
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8 0
2 years ago
2(b+3c) equivalent expressions<br>Options: <br><br>3(b+2c)<br>(b+3c) +(b+3c)<br>None of the above
Lana71 [14]
2(b + 3c) → We first need to simplify this.

Simplify.

2b + 6c

1st Option : 

3(b + 2c)

Simplify.

3b + 6c

This is INCORRECT, as it is not equal to 2b + 6c.

2nd Option :

(b + 3c) + (b + 3c)

Simplify.

2b + 6c

This is CORRECT because 2b+6c = 2b+6c

(b + 3c) + (b + 3c)  → Answer

~Hope I helped!~



5 0
2 years ago
A single-engine plane is flying at 30 mph in the direction N 60° E. A wind is blowing from west to east at 15 mph
Ksivusya [100]

Answer:

C on Edge 2020

Step-by-step explanation:

The graph where the 60 degree angle is touching the y axis and air is above ground

7 0
3 years ago
Read 2 more answers
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