3 years ago

How to add fractions with different denominators khan academy?

2 answers:

8 0

You have to find the least common denominator between the two fractions. if you had 1/2 + 1/4 then the lcd is 4 so you multiply both the top and the bottom by 4. you get 2/4+ 1/4. Then you add across the top and get 3/4.

Cerrena [4.2K]3 years ago

7 0

You have to find the LCD with the two fractions. Then you add the numarator an the denominator of the fraction.

<h2><em><u>Hope it helped</u></em></h2>

You might be interested in

The highest elevation of basket dome 40 years ago was measured at 7,600 feet. what is the rate of change in elevation for this a

svet-max [94.6K]

Answer:

Rate of change in elevation = 0.6 in/year

Step-by-step explanation:

Note:

Current elevation (Missing) = 7,602 feet

Given:

Old elevation = 7,602 feet

Number of year = 7,600

Find:

Rate of change in elevation

Computation:

Change in elevation = 7,602 - 7,600

Change in elevation = 2 ft

Change in elevation = 2 x 12 = 24 inches

Rate of change in elevation = 24 / 40

Rate of change in elevation = 0.6 in/year

5 0

3 years ago

I'd really appreciate it if someone could help me with these square problems :/

adelina 88 [10]

I would but I don’t want to ;/

3 0

2 years ago

Which deal on large bags of candy is best deal? Which is the worst deal? How do you know? Can you find more than one way to dete

8090 [49]

Answer:

Life savers yummies, skittles mark i think

Step-by-step explanation:

6 0

2 years ago

What is the slop of line n

enyata [817]

Answer:

For line n, m=1/2

Step-by-step explanation:

The line goes up 1 for every 2 to the right.

8 0

2 years ago

Read 2 more answers

On the first math test, Keiko answered 19 out of 25 questions correctly. On the second test she got 17 out of 20 correct. On whi

jenyasd209 [6]

Answer:

shegot a better score on the second test

50 is double of 25

75is 3 times 25

100 is 4 times 25

Step-by-step explanation:

19 times 4= 76

17 times 5= 85

7 0

3 years ago