1,25-0,5×1/4 tolong dibantu ya kak besok mau dikumpul

1,25 - 0,5 × 1/4
125/100 - 5/10 × 1/4
125/100 - 5/40
25/20 - 1/8
5/4 - 1/8
10/8 - 1/8
9/8

Diketahui :
- 1,25 = 5/4
- 0,5 = ½
- ¼

Ditanya : 1,25 - 0,5 × ¼ = .....?

Penyelesaian :

[tex]1.25 - 0.5 \times \frac{1}{4} \\ = \frac{5}{4} - \frac{1}{2} \times \frac{1}{4} \\ = \frac{5}{4} - \frac{1}{8} \\ = \frac{2 \times 5 - 1}{8} \\ = \frac{10 - 1}{8} \\ = \frac{9}{8} \\ = 1 \frac{1}{8} \\ = 1.125[/tex]

Maaf Kalau Salah