The sum 12
The sum of 3 mixed numbers is 20 13/15. Two of the numbers are 6 1/3 and 7 5/6. What is the third number?
Correct answer:

Tips for related online calculators
Need help with mixed numbers? Try our mixed-number calculator.
You need to know the following knowledge to solve this word math problem:
Grade of the word problem:
Related math problems and questions:
- Sum of 20
The sum of the two numbers is 15 1/6. If one of the numbers is 2 2/3, find the other number.
- Sum of mixed
The sum of two mixed numbers is 15½. One of the numbers is 5 ¾. What is the other?
- Proportion 5684
I think the number. If I reduce it three times, increase the proportion by 5/6 and decrease the sum 0.5 times, I get 2 1/7. What's the number?
- Product, sum and quotient
If the product of 1 1/6 and 3 2/3 is added to the quotient of 5/7 and 6/7, what is the sum? Write the solution as a mixed number or a fraction in the lowest terms.
- Lowest terms
What is the sum if the product of 1 3/4 and 2 1/6 is added to the quotient of 1/3 and 8 4/5? Write the solution as a mixed number or a fraction in the lowest terms.
- Three unknown numbers
The sum of the three numbers is 106. the first number is ten more than the third. The second number is 2x the third. What are the numbers?
- Three numbers
What are three numbers that have the property: the sum of the first and second numbers' reciprocals is 12/7, the first and third 11/24, and the second and the third 3/8.
- The sum 24
The sum of the three numbers is 80. The first number is 8 less than the third. The second number is 2 times the third. What are the numbers?
- What is 23
What is the answer to sum 2 1/2 and 1 3/8 minus 5 1/4?
- Numbers 2856
The sum of the two numbers is 13. The third of the first number is three. What are the numbers?
- A triangle 3
A triangle has a base of 5 5/6 feet and a height of 7 2/5 feet. Find the area of the triangle as a mixed number.
- Sum of 18
The sum of two fractions is 4 3/7. If one of the fractions is 2 1/5, find the other one.
- Antonio
Antonio is thinking of an improper fraction and a mixed fraction with a sum of 5 5/12. The improper fraction is 8/3. What is the mixed number?
- The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions?
- PLUS MINUS product
A. Deduct 15.728 from the sum of 23.234 and 6.23 B. Add 15.756 to the difference of 26.845 and 4.342 C. Find the product of 0.86 x 0.05 D. Multiply 5.234 by 4.45 E What is the product of 23.97 multiplied by 6.36?
- To improper fraction
Change the mixed number to an improper fraction: a) 1 2/15 b) -2 15/17
- Missing denominator
3 1/3 + 4/? =4 2/15 What is the missing number in the equation?