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lord [1]
3 years ago
11

Explain in sentences how you can add or subtract two fractions with common denominators?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
8 0
If two fractions have the same denominators, then just simply add up the numerators together and keep the denominator.

Examples:

\frac{4}{10} +  \frac{5}{10} =  \frac{9}{10}

\frac{10}{12} - \frac{2}{12} = \frac{8}{12}
You might be interested in
Write an equation of a line in slope intercept form that is perpendicular to y = -4x -2 and passes through the point (-16, -11).
NISA [10]
Y = -4x - 2
P (-16, -11)
a = -4, b = 0, c = -2
m = -a/b
m = -(-4)/(-2)
m = 4/(-2)
m = -2

y-yo = m(x-xo)
y-(-11) = -2[x-(-16)]
y+11 = -2(x+16)
y+11 = -2x-32
2x+y+11+32 = 0
2x+y+43 = 0

A outra questão é semelhante.
4 0
3 years ago
Can someone help me please?
lisabon 2012 [21]

Answer:   a=(3,-4)

                B=(3,-1)

                C=(5,-2)

Step-by-step explanation:

3 0
3 years ago
Help me I really need to get this done
posledela

Answer:

It’s the second one

Step-by-step explanation:

6 0
3 years ago
The sum of two numbers, one of which is two-third of the other, is 45. find the smaller number​
Travka [436]

Step-by-step explanation:

The smaller number is 18.

Step-by-step explanation:

Let larger number = x and  smaller number = \dfrac{2}{3} x32x

To find, the smaller number = ?

According to question,

x+\dfrac{2}{3} x=45x+32x=45

⇒ \dfrac{3x+2x}{3} =4533x+2x=45

⇒ 5x=45\times 35x=45×3

⇒ 5x=1355x=135

⇒ x =\dfrac{135}{5} =27x=5135=27

∴ Smaller number =\dfrac{2}{3} \times 27=2\times 9 =18=32×27=2×9=18

Hence, the smaller number is 18.

6 0
3 years ago
8 + (9 + 2<br><br>3) − 9 + 8 × 6 ÷ 3 = ​
finlep [7]

Answer:

47

Step-by-step explanation:

follow Pemdas order of operations.

8 + (9 + 23) − 9 + 8 × 6 ÷ 3 = ​

8 + (32) - 9 + 8 x 6 ÷ 3

8 + (32) - 9 + 16

add and subtract the rest and u get 47

3 0
3 years ago
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