Question

1.Write the additive inverse of the following: 2/8 ii) -5/9 III) 19/-6 2.Find the multiplicative inverse of i) -13 ii) -13/19 II) (-5/8)(-3/7). 3. Is 8/9 the multiplicative inverse of -1 1/8? Why or why not?.​

Answer 1

1. addetive inverse of following

• -2/8
• 5/9
• 19/6

1. multiplicative inverse

• 1/-13
• 19/-13
• (-5/8)(-3/7) = 8/-5 × 7/-3 = 56/15

3. no because -1 ¹/8 when conerted in improper fraction is -9/8 but in the question it is given 8/9 but the correct multiplicative inverse will be -8/9.