Hasil dari 4 3/4-1 1/2:21/4 adalah

4¾-1½:2¼
11/4-3/2×4/9
= 11/4 – ⅔
= 33/12-8/12
= 25/12
= 2 1/12

4 3/4 – 1 1/2 : 21/4
= 19/4 – 3/2 × 4/21
= 19/4 – 1/1 × 2/7
= 19/4 – 2/7
= 133/28 – 8/28
= 125/28
= 4 13/28