How to Find Fractions Equivalent to 17/20
1. Choose a multiplier
Use the same non-zero number for both terms; start with 2.
2. Multiply both terms
17 × 2 = 34 and 20 × 2 = 40.
3. Verify the ratio
17 × 40 and 20 × 34 both equal 680.
Direct answer
34/40, 51/60, and 68/80 are equivalent to 17/20.
Enter whole-number numerator and denominator values. Results update instantly.
17/20
0.85
85%
34/40 · 51/60 · 68/80
Use the same non-zero number for both terms; start with 2.
17 × 2 = 34 and 20 × 2 = 40.
17 × 40 and 20 × 34 both equal 680.
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 | (17 × 2) / (20 × 2) | 34/40 | 17 × 40 = 20 × 34 |
| × 3 | (17 × 3) / (20 × 3) | 51/60 | 17 × 60 = 20 × 51 |
| × 4 | (17 × 4) / (20 × 4) | 68/80 | 17 × 80 = 20 × 68 |
| × 5 | (17 × 5) / (20 × 5) | 85/100 | 17 × 100 = 20 × 85 |
| × 6 | (17 × 6) / (20 × 6) | 102/120 | 17 × 120 = 20 × 102 |
| × 7 | (17 × 7) / (20 × 7) | 119/140 | 17 × 140 = 20 × 119 |
This fraction converts to a familiar benchmark percentage, which helps with estimation, discounts, grades, and progress tracking.
Learning tip: Memorize common benchmark fractions so you can estimate an answer before calculating.
34/40 is one equivalent fraction because both terms were multiplied by 2.
Yes. 17/20 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.
17/20 equals 0.85 as a decimal and 85% as a percentage.