How do you simplify #1 1/2 - 2 4/5#? Algebra Properties of Real Numbers Subtraction of Rational Numbers 1 Answer Barney V. Jun 27, 2017 #color(brown)(-13/10# Explanation: #1 1/2-2 4/5# #:.=3/2-14/5# #:.=(15-28)/10# #:.color(brown)(=-13/10# Answer link Related questions How do you subtract rational numbers? How do you subtract two rational numbers with different denominators? How do you add and subtract rational numbers in decimal form? How do you subtract #9-12#? How do you find the difference for #-6-(-13)#? How do you simplify #5/6 - (-1/3)#? How do you subtract #-11-(-50)#? How do you subtract #2/13 - 1/11#? How do you subtract #-3.1 - 21.9#? How do you evaluate the expression #|b+c|- a# given that #a=-1#, #b=2#, and #c=4#? See all questions in Subtraction of Rational Numbers Impact of this question 2085 views around the world You can reuse this answer Creative Commons License