add up

US /æd ˈʌp/
UK /æd ˈʌp/
"add up" picture
1.

tenir la route, concorde

to make sense; to seem reasonable or logical

:
His story just doesn't add up.
Son histoire ne tient tout simplement pas la route.
The numbers don't add up, there must be a mistake.
Les chiffres ne concordent pas, il doit y avoir une erreur.
2.

additionner, calculer le total

to calculate the total of several numbers or amounts

:
Can you add up these figures for me?
Peux-tu additionner ces chiffres pour moi ?
We need to add up the expenses for the trip.
Nous devons additionner les dépenses du voyage.