Usage patterns
〈物〉を額に入れるto put a picture in a frame
I framed that photo and displayed it.
額が増える/減るfor the amount to increase/decrease
The monthly payment amount increased.
〈場所〉に額を飾るto hang a framed picture (in a place)
I hung a framed picture on the wall.
〈数〉の額に達するto reach a certain amount
The damages reached an amount of one million yen.
Expressions
額が少ないinsufficient amount; not enough money