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I use fetchPairData method from uniswap-v2 SDK to quote two tokens conversion rates:

const uniswapPair: Pair = await Fetcher.fetchPairData(
    new Token(ChainId.MAINNET, baseToken.address, 18),
    new Token(ChainId.MAINNET, quoteToken.address, 18),
    provider
);
console.log(  Number(uniswapPair.token0Price.toFixed(pair.baseToken.decimals)) );

The return value for the token price is slightly different from the quoted value on uniswap website (This is the case for any tested pairs such as AAVE/DAI or LINK/DAI). What is going on wrong with this method of price inquiry?

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