| 45 |
| 82 |
| 54 |
| 40 |
| -657 |
| 820 |
| 45 |
| 82 |
| 54 |
| 40 |
In order to make fractions have the same denominator, multiply the numerator and denominator of each fraction by the denominator of the other
| 45 x 40 |
| 82 x 40 |
| 54 x 82 |
| 40 x 82 |
| 1800 |
| 3280 |
| 4428 |
| 3280 |
| 1800 - 4428 |
| 3280 |
| -2628 |
| 3280 |
OR
| (45 x 40) - (54 x 82) |
| 82 x 40 |
| -2628 |
| 3280 |
Divide each part of the fraction with the greatest common factor to simplify the fraction
| -2628 |
| 3280 |
| -2628 ÷ 4 |
| 3280 ÷ 4 |
| 657 |
| 820 |
Positive Fractions
| -1 |
| -2 |
| 1 |
| -2 |
| -1 |
| 2 |
| 1 |
| 2 |
Negative Fractions
| -1 |
| 2 |
| 1 |
| -2 |
| -1 |
| -2 |
| 1 |
| 2 |