YOU SAID:

Hello, I am 13 years and 6 months old

INTO JAPANESE

こんにちは、私は13歳6か月です

BACK INTO ENGLISH

Hello, I am a 13-year-old 6 months

INTO JAPANESE

こんにちは、私は13歳の6か月です

BACK INTO ENGLISH

Hello, I am 6 months of the 13-year-old

INTO JAPANESE

こんにちは、私は13歳の6か月です

BACK INTO ENGLISH

Hello, I am 6 months of the 13-year-old