Tolong jawab kak sekarang nomor 1

Tolong jawab kak sekarang nomor 1

Ƨɑƴ ɦɘɭɭσ ࿐

࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐

ǫᴜᴇsᴛɪᴏɴ :

${ sf frac{4}{5} + 2 frac{1}{4} = }$

ᴀɴsᴡᴇʀ :

${ sf frac{21}{20} = 1 frac{1}{20}}$

ᴇxᴘʟᴀɴᴀᴛɪᴏɴ :

${ red{ sf frac{4}{5} + 2 frac{1}{4} = }}$

${ orange{ sf = 2( frac{4}{5} + frac{1}{4} )}}$

${ green{ sf = 2( frac{4 times 4}{5 times 4} + frac{1 times 5}{5 times 4}) }}$

${ blue{ sf = 2( frac{16}{20} + frac{5}{20} )}}$

${ pink{ sf = 2 frac{21}{20} }}$

${ purple{ sf = 1 frac{1}{20}}}$

ℂℳɪɪｗ ࿐

࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐࿐

${ purple{ boxed{ orange{boxed{ blue{ boxed{ pink{ tt ❀} : { red ɓ}{ orange ɪ}{ green ᴛ}{ purple ᴛ}{ gray α } : { pink ❀}}}}}}}}$