| 68 |
| 40 |
| 11 |
| 11 |
| 7 |
| 10 |
| 68 |
| 40 |
| 11 |
| 11 |
In order to make fractions have the same denominator, multiply the numerator and denominator of each fraction by the denominator of the other
| 68 x 11 |
| 40 x 11 |
| 11 x 40 |
| 11 x 40 |
| 748 |
| 440 |
| 440 |
| 440 |
| 748 - 440 |
| 440 |
| 308 |
| 440 |
OR
| (68 x 11) - (11 x 40) |
| 40 x 11 |
| 308 |
| 440 |
Divide each part of the fraction with the greatest common factor to simplify the fraction
| 308 |
| 440 |
| 308 ÷ 44 |
| 440 ÷ 44 |
| 7 |
| 10 |
Positive Fractions
| -1 |
| -2 |
| 1 |
| -2 |
| -1 |
| 2 |
| 1 |
| 2 |
Negative Fractions
| -1 |
| 2 |
| 1 |
| -2 |
| -1 |
| -2 |
| 1 |
| 2 |