| 15 |
| 38 |
| 37 |
| 48 |
| -343 |
| 912 |
| 15 |
| 38 |
| 37 |
| 48 |
In order to make fractions have the same denominator, multiply the numerator and denominator of each fraction by the denominator of the other
| 15 x 48 |
| 38 x 48 |
| 37 x 38 |
| 48 x 38 |
| 720 |
| 1824 |
| 1406 |
| 1824 |
| 720 - 1406 |
| 1824 |
| -686 |
| 1824 |
OR
| (15 x 48) - (37 x 38) |
| 38 x 48 |
| -686 |
| 1824 |
Divide each part of the fraction with the greatest common factor to simplify the fraction
| -686 |
| 1824 |
| -686 ÷ 2 |
| 1824 ÷ 2 |
| 343 |
| 912 |
Positive Fractions
| -1 |
| -2 |
| 1 |
| -2 |
| -1 |
| 2 |
| 1 |
| 2 |
Negative Fractions
| -1 |
| 2 |
| 1 |
| -2 |
| -1 |
| -2 |
| 1 |
| 2 |