How do you simplify -5 + -25? Algebra Properties of Real Numbers Addition of Rational Numbers 1 Answer Patrick N. · Mahek ☮ May 8, 2018 -5 + - 25 - 5 - 25 = -30 Explanation: Subtracting is the same as adding negative numbers Answer link Related questions How do you add rational numbers? How do you write fractions with a common denominator? How do you write mixed fractions into improper fractions? How do you write 11 2/3 into an improper fraction? How do you add 4 1/7 + 2/7? How do you add 3/5+2/8? How do you change fractions into decimals? How do you find the sum of 2.5+2.57+3.1? How do you calculate 18/12 - 7/9? How do you write 5 into an improper fraction? See all questions in Addition of Rational Numbers Impact of this question 2241 views around the world You can reuse this answer Creative Commons License