do one's sums

Verb

UK informal

(UK, informal) To figure out whether one can afford to pay for something.

Japanese Meaning

（非公式）払えるかどうか、支払いに見合うか計算する / （非公式）物の値段を支払い可能かどうか検討する

Before signing the lease, it's sensible to do one's sums to make sure you can cover the rent.

賃貸契約に署名する前に、家賃を支払えるかどうかを計算するのが賢明だ。

Sense（1）

(UK, informal) To figure out whether one can afford to pay for something.

does one's sums

（ present singular third-person ）

doing one's sums

（ participle present ）

did one's sums

（ past ）

done one's sums

（ participle past ）