Question

What does 9/10-13/18 equal as an improper fraction
100 points

Answer 1

`\huge (8)/(45)`

Explanation:

`(9)/(10) - (13)/(18) \\ \\ = (9 * 9)/(10 * 9) - (13 * 5)/(18 * 5) \\ \\ = (81)/(90) - (65)/(90) \\ \\ = (81 - 65)/(90)\\ \\ = (16)/(90) \\ \\ = (8)/(45) \\`