Question

7 + 9/10 + 2/3 = ?
How to do it? Please make me understand with the rules. ​

Answer 1

Answer:

257/30 or 8 17/30

Step-by-step explanation:

We can also write this as,

7/1 + 9/10 = 79/10

Now,

79/10 + 2/3

Answer 2

First of all we can say that 7/1 and 7 both are equal.

First of all we can say that 7/1 and 7 both are equal. Therefore, we can also write...

First of all we can say that 7/1 and 7 both are equal. Therefore, we can also write...7/1 + 9/10 + 2/3 [so that all the numbers become in the

First of all we can say that 7/1 and 7 both are equal. Therefore, we can also write...7/1 + 9/10 + 2/3 [so that all the numbers become in the form of fraction]

Then we have to take the LCM of all the denominators i.e. 1,10,3

1=1

3=3

10=2×5

Multiply all the numbers. The product is 30.

Now try to make the denominator 30 by multiplying the whole fraction.

7/1 can be written as 210/30.

9/10 as 27/30.

2/3 as 20/30.

So it becomes

210/30 + 27/30 + 20/30

All the denominators became same. Now add all the numerators taking the denominator same. That Is

210+27+20/30

257/20 is the answer.

You can also write it as 12.85 in decimal number.

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