How To Add Fractions

I'm sorry if my teachings aren't too well for you to understand. So in this section, I will be teaching you how to add fractions.
Example:
2/5 + 3/7
First, find the common denominator. To find the common denominator, you have to meet the multiples of your denominator.
5,10,15,20,25,30,35
7,14,21,28,35
As you can see, the common denominator of 5 and 7 is 35.
Now, to find the numerator of 2/5(and you already know that the denominator will be 35), you have to find what times 5 equals 35. 5 times 7 equals 35 so whatever you do to the denominator, you do to the numerator. 2 times 7 equals 14, so the numerator is 14 and the denominator, 35.
2/5= ?/35
5*7= 35
2*7= 14
2/5= 14/35
Please follow the steps above again to find the numerator for 3/7.
3/7= ?/35
7*5= 35
3*5= 15
3/7= 15/35
Now, the problem will look like this:
14/35 + 15/35=
and you add the numerators because the denominators are the same.
14 + 15= 29
14/35 + 15/35= 29/35

Category:

Education

Tags:

• How
• To
• Add
• Fractions

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