How to Find Fractions Equivalent to 9/5
1. Choose a multiplier
Use the same non-zero number for both terms; start with 2.
2. Multiply both terms
9 × 2 = 18 and 5 × 2 = 10.
3. Verify the ratio
9 × 10 and 5 × 18 both equal 90.
Direct answer
18/10, 27/15, and 36/20 are equivalent to 9/5.
Enter whole-number numerator and denominator values. Results update instantly.
9/5
1.8
180%
18/10 · 27/15 · 36/20
Use the same non-zero number for both terms; start with 2.
9 × 2 = 18 and 5 × 2 = 10.
9 × 10 and 5 × 18 both equal 90.
Multiply the numerator and denominator by the same non-zero whole number. The written numbers change, but the ratio stays equal.
| Multiplier | Calculation | Equivalent fraction | Cross-product check |
|---|---|---|---|
| × 2 | (9 × 2) / (5 × 2) | 18/10 | 9 × 10 = 5 × 18 |
| × 3 | (9 × 3) / (5 × 3) | 27/15 | 9 × 15 = 5 × 27 |
| × 4 | (9 × 4) / (5 × 4) | 36/20 | 9 × 20 = 5 × 36 |
| × 5 | (9 × 5) / (5 × 5) | 45/25 | 9 × 25 = 5 × 45 |
| × 6 | (9 × 6) / (5 × 6) | 54/30 | 9 × 30 = 5 × 54 |
| × 7 | (9 × 7) / (5 × 7) | 63/35 | 9 × 35 = 5 × 63 |
This value is greater than one whole, so it is useful for rates, recipe scaling, and measurements that exceed one unit.
Learning tip: Convert an improper fraction to a mixed number when a real-world measurement is easier to read that way.
18/10 is one equivalent fraction because both terms were multiplied by 2.
Yes. 9/5 is in lowest terms because its terms share no factor greater than 1.
Cross-multiply. If the two cross-products are equal, the fractions represent the same value.
9/5 equals 1.8 as a decimal and 180% as a percentage.