| 6 |
| 90 |
| 41 |
| 81 |
| -178 |
| 405 |
| 6 |
| 90 |
| 41 |
| 81 |
In order to make fractions have the same denominator, multiply the numerator and denominator of each fraction by the denominator of the other
| 6 x 81 |
| 90 x 81 |
| 41 x 90 |
| 81 x 90 |
| 486 |
| 7290 |
| 3690 |
| 7290 |
| 486 - 3690 |
| 7290 |
| -3204 |
| 7290 |
OR
| (6 x 81) - (41 x 90) |
| 90 x 81 |
| -3204 |
| 7290 |
Divide each part of the fraction with the greatest common factor to simplify the fraction
| -3204 |
| 7290 |
| -3204 ÷ 18 |
| 7290 ÷ 18 |
| 178 |
| 405 |
Positive Fractions
| -1 |
| -2 |
| 1 |
| -2 |
| -1 |
| 2 |
| 1 |
| 2 |
Negative Fractions
| -1 |
| 2 |
| 1 |
| -2 |
| -1 |
| -2 |
| 1 |
| 2 |