Breakdown of Мой дядя старше твоего папы, а ты младше меня.
а
and (contrastive)
я
I
ты
you (singular)
папа
dad
Questions & Answers about Мой дядя старше твоего папы, а ты младше меня.
How does the comparison work here without the word for "than"?
In Russian, you can compare two things without using the word for "than" (чем). Instead, you simply use the comparative adjective (like старше) and put the second person or thing into the Genitive case. That is why we use the Genitive твоего папы to mean "than your dad".
Why is "меня" used at the end of the sentence?
Following the same rule of using the Genitive case for comparisons, the pronoun я (I) becomes меня in the Genitive. So, младше меня translates to "younger than me".
"Папа" ends in "-а", so why does it use the masculine modifier "твоего"?
Words like папа (dad) and дядя (uncle) refer to men, so they are grammatically masculine even though they end in -а or -я like feminine words. Modifiers must match the masculine gender, which is why we use the masculine Genitive твоего. However, the noun itself still takes feminine-style endings when it changes cases, changing from папа to папы.
Why does the sentence use "а" instead of "и" for "and"?
The conjunction а is used to show contrast or a slight switch in topic, often translating to "whereas" or "but". Since we are contrasting my uncle's age with your age, а is the natural choice. и is only used for joining completely parallel, non-contrasting ideas.