Question

write the additive Inverse of 21/98

Answer 1

Additive inverse => changes sign of the number

Eg) m/n => -m/n , 5/6 => -5/6

Multiplicative inverse _ changes the form of no.

Eg) m/n => n/m , -7/8 => -8/7

Similarly,

Additive inverse of 21/98 => -21/98 => -3/14