47 in Roman numerals
47 is written XLVII. In chunks: XL (40) + V (5) + I (1) + I (1) = 47.
The answer
XLVII
47 in Roman numerals is XLVII.
How XLVII is built
To write it, split 47 into 40 + 7. 40 is XL, 7 is VII, so 47 is XL then VII: XLVII.
To read it, XLVII has 4 chunks, and XL is a take-away pair, worked out first and then added.
| Chunk | Worth | Why |
|---|---|---|
| XL | 40 | X before L: take away |
| V | 5 | Add |
| I | 1 | Add |
| I | 1 | Add |
The mistake to watch for
Writing 47 as XXXXVII
Wrong: XXXXVII
XXXXVII writes X four times in a row. Never more than three: 40 is XL, ten before fifty, which makes 47 XLVII.
Check it with the converter
Type XXXXVII to see why XXXXVII is not 47. The rule numbers it gives are the three rules on the Roman numerals page.
Converter set to XLVII (47).
Keep going
Questions parents ask
What is 47 in Roman numerals?
47 is XLVII.
What comes before and after XLVII?
46 is XLVI and 48 is XLVIII.
Does XLVII use subtraction?
Yes, once: X comes before the bigger L, so XL is 40. The other letters are added.
What is the biggest letter in XLVII?
L, which is 50. XLVII has 5 letters.
Careful reading is an 11+ skill
Reading all 5 letters of XLVII in order is the careful checking 11+ papers reward. The free diagnostic covers all four subjects, with no card needed.