Best Answer

You must convert the fractions to equivalent fractions with a common denominator, which in this case is 20.

Q: What is the sum of 2 over 5 and 1 over 4?

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1/8 + 2/4= 1/8 + 4/8 = 5/8 =0.625

The probability of rolling a sum of 5 with two die is 4 over 36, or 2 over 18, or 1 over 9.

The sum of 4/5 and 1/2 is 1 3/10

A sum of 4 is more likely. Out of the 36 possible outcomes with a pair of 6-sided dice, only one will have a sum of 2 {1-1}. Three of the possibilities sum to 4. {1-3, 2-2, 3-1}

1/14 + 5/14 + 2/14 = (1+5+2)/14 = 8/14 = 4/7

Related questions

13/12

23/48

13 over 12

The sum of 5/7 and 2/4 is 1 3/14

1/8 + 2/4= 1/8 + 4/8 = 5/8 =0.625

1/6 + 2/3 + 1/4 = 2/12 + 8/12 + 3/12 = 13/12 = 1 1/12

The probability of rolling a sum of 5 with two die is 4 over 36, or 2 over 18, or 1 over 9.

plus indicates that it is a sum (not a difference): 1/4 + 2/4 = 3/4. You can just add the numerators, since the denominators are the same.

12 over 11

The sum of 2/6 and 4/5 = 1 2/15

1/6+2/3+1/4 = 2/12+8/12+3/12 = 13/12 = 1+1/12. One and one twelfth

The sum of 4/5 and 1/2 is 1 3/10