add up
Meaning: to add two or more numbers in order to find the total amount
Synonym: tot up (informal)For example:
 add up Fran has a good head for figures. She can add up really quickly, and she always gets the answer right.
 add up sth Could you add up these amounts and let me know the total?
 add sth up After he jotted down the cost of each dish, he added them up and found the total cost of the meal.
add up: numbers, figures, amounts, prices, costs
Quick Quiz:
You'll need to be good at adding up if you want to be
