A girl found dress fo £65.50 and there was an 15% sale on

Answer: $65.50 - 15% = 55.675

Step-by-step explanation:

Conversion a decimal number to a fraction: 65.50 = 655

10

= 131

2

Conversion a decimal number to a fraction: 9.825 = 9825

1000

= 393

40

Subtract: 65.5 - 9.825 = 131

2

- 393

40

= 131 · 20

2 · 20

- 393

40

= 2620

40

- 393

40

= 2620 - 393

40

= 2227

40

The common denominator you can calculate as the least common multiple of the both denominators - LCM (2, 40) = 40

All you have to do is subtract 65.50-15% with equals to $55