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Q: What is 1 over 7 plus 3 over 21?

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3 over 21

1/3 + 2/7 = 7/21 + 6/21 = 13/21

1/7+1/3 first get common denominators 3/21+7/21 add the numerators 10/21

It is: 13/21

17 over 21

6/7 + 1/3 = 14/21

4/7 + 1/3 = get common denominator 12/21 + 7/21 = 19/21 is your answer add

1/7 + 2/3 is 17/21

64 over 3 or 21 and 1 thrid

6/7+1/3 = 25/21

7/8 + 1/3 = (21+8) / 24 = 1 5/24.

1/3 + 3/7 = 16/21

9 5/7 + 25 1/3 = 35 1/21

1/2 + 1/3 * 1/7 = 1/2 + 1/21 = 21/42 + 2/42 = 23/42

1/7 + 1/3 = 3/21 + 7/21 = 10/21

The sum of 4/3 and 4/7 is 1 19/21

-21/14 + -1/14 = -22/14 or -1 and 4/7

The sum of 6/7 and 1/3 is 1 4/21

2/7 + 1/3= 13/21 2/7 + 1/3 =(2/7 * 3/3) + (1/3 * 7/7) = 6/21 + 7/21 = 13/21

It is: 1/3 plus 1/3 = 2/3

14/21 + 9/21 = 23/21

3

1 over 3 7/21 = 1/3

3 over 7 because nothing can get to 2 when your dividing by 9 plus 9/3=3 and 21/3=7 ( / = division)

The sum of 1/7 and 3/21 is 2/7