| 52 |
| 99 |
| 13 |
| 43 |
| 949 |
| 4257 |
| 52 |
| 99 |
| 13 |
| 43 |
In order to make fractions have the same denominator, multiply the numerator and denominator of each fraction by the denominator of the other
| 52 x 43 |
| 99 x 43 |
| 13 x 99 |
| 43 x 99 |
| 2236 |
| 4257 |
| 1287 |
| 4257 |
| 2236 - 1287 |
| 4257 |
| 949 |
| 4257 |
OR
| (52 x 43) - (13 x 99) |
| 99 x 43 |
| 949 |
| 4257 |
| 949 |
| 4257 |
Positive Fractions
| -1 |
| -2 |
| 1 |
| -2 |
| -1 |
| 2 |
| 1 |
| 2 |
Negative Fractions
| -1 |
| 2 |
| 1 |
| -2 |
| -1 |
| -2 |
| 1 |
| 2 |