71 in Roman numerals

71 in Roman numerals is LXXI.

Pick any whole number from 1 to 3,999.

71 = \text{LXXI}

How to work it out

1
Take the biggest Roman value that fits, write its letter, subtract it, and repeat.
2
Here: 50 (L) + 10 (X) + 10 (X) + 1 (I) = 71.
3
Joined together: LXXI. (Four of the same letter in a row is never used: 4 is IV, 9 is IX, 40 is XL, 90 is XC, 400 is CD, 900 is CM.)

What is 71 in Roman numerals?

LXXI.

How do you read LXXI?

LXXI = 50 + 10 + 10 + 1 = 71.