(8-6\frac{1}{4}) \times \frac{1}{4} = (8-\frac{25}{4}) \times \frac{1}{4} = (8-\frac{6}{4}) \times \frac{1}{4} = \frac{32}{4} - \frac{6}{4} = \frac{26}{4} = 6\frac{1}{2}
(5/6-1/2)\times1/2 = (5/6-3/6) \times 1/2 = 2/6 \times 1/2 = 1/6
(3/10+3/100) \times 1/100 = (30/100 + 3/100) \times 1/100 = 33/100 \times 1/100 = 33/10000
(8-6\frac{1}{4}) \times \frac{1}{4} = (8-\frac{25}{4}) \times \frac{1}{4} = (8-\frac{6}{4}) \times \frac{1}{4} = \frac{32}{4} - \frac{6}{4} = \frac{26}{4} = 6\frac{1}{2}
(5/6-1/2)\times1/2 = (5/6-3/6) \times 1/2 = 2/6 \times 1/2 = 1/6
(3/10+3/100) \times 1/100 = (30/100 + 3/100) \times 1/100 = 33/100 \times 1/100 = 33/10000