The goal is to hold credible elections in both states.
Ramaphosa met with Zimbabwean president during his visit which formed part of a long-standing tradition in the SADC region, whereby newly elected heads of state pay courtesy calls to the neighbouring countries.
Here are the real reasons, according to sources in the presidency who spoke to HuffPost.
Zuma was scheduled to travel to Zimbabwe on Wednesday to assess the situation there.
President Jacob Zuma says the situation in Zimbabwe should become clearer in the next few days.
The unfolding drama in the capital, Harare, was thrown into confusion when a smiling Mugabe was pictured shaking hands with Zimbabwe’s military chief, the man behind the coup, raising questions about whether or not the end of an era was near.
It was not clear whether the apparent military coup would bring a formal end to the 93-year-old Mugabe’s rule.
The meeting follows hot on the heels of what is being described as a coup in Zimbabwe.
"I hope I am going to be proved wrong, but I think a transition is going to be very difficult in Zimbabwe."
The SADC chair hoped there would not be undemocratic changes in government.