How do you find the sum of 10-21? Algebra Properties of Real Numbers Addition of Integers 1 Answer MJohnson ยท Stefan V. May 4, 2018 10-21= -11 Explanation: 21-10=11 so 10-21=-11 Answer link Related questions What are integers? How do you add -5+2 using the numberline? What is the commutative property of addition? What is the associative property of addition? What is the identity property of addition? How do you simplify 9+(1+22) using the properties of addition? Which property of addition is 2,214+0? What is the new temperature in Chicago, if one morning it was -8^\circ F and over the next... How do you find the sum of the cubes of the integers in the interval -15 and 17? What are Integers? See all questions in Addition of Integers Impact of this question 3331 views around the world You can reuse this answer Creative Commons License