1 1/2 + 1/4 - 4/5tolong dijawab buk pak

1 1/2 + 1/4 – 4/5tolong dijawab buk pak

$1frac{1}{2} +frac{1}{4} -frac{4}{5}$

$1frac{10}{20} +frac{5}{20} -frac{16}{20}$

$1frac{15}{20} -frac{16}{20}$

$frac{35}{20} -frac{16}{20}$

$=frac{19}{20}$

Jawaban:

19/20

Penjelasan dengan langkah-langkah:

1 1/2 + 1/4 – 4/5

= 3/2 + 1/4 – 4/5

= 30/20 + 5/20 – 16/20

= 35/20 – 16/20

= 19/20