To add up to is to amount to something when everything is counted. It does not add up to much.
It is used most in the negative, to say the total is less than it looked. Small savings can add up to a great deal over a year, which is the positive use.
1phraseadd up toTo amount to something when everything is counted.
“All the changes together did not add up to five per cent.”
add up to is a phrase.
Practised in Phrasal Verbs